Every summer, building projects that seem to take weeks or even months start in places all over the world, causing traffic bottlenecks and detours. They can be an ugly, noisy, and frustrating until they finish. Furthermore, they pale in comparison to some of these undertakings, which took decades. or more time.

10.More than 2,000 years ago, the Corinth Canal was proposed.

Within the annals of construction endeavors, the Corinth Canal occupies a unique position. Although it doesn’t get as long as some others in actuality, it is still among the oldest in theory. Not that everything happened quickly—from the project’s inception in 1882 to its conclusion in 1893, it took 11 years to finish. It takes a long time to construct something. However, you begin to understand just how long this project had been in the works when you find out that Emperor Nero had even advocated the canal.

The canal is somewhat less than 6.4 km, or 4 miles, long and connects the Gulf of Corinth to the Saronic Gulf. It is 25 meters, or 82 feet, wide. Before it was built, ships would need to travel an additional 185 nautical miles to circumnavigate the Peloponnese via the route that connects Point A and Point B.

In 602 BC, Periander—also referred to as the Tyrant of Corinth—had the notion for a canal. Julius Caesar and Caligula were among those who also had the notion, but they gave it up after learning that doing so would cause the Adriatic to empty into the Aegean. Nero didn’t try it until 67 AD, when he gathered 6,000 slaves and devised a plot to carry it out. Regretfully, he was killed before the project could begin. It took almost 1,800 years for actual building to begin.

9.It Took Twenty to One Hundred Years to Construct the Great Pyramid

For literally centuries, people from all over the world have been enthralled with the Egyptian pyramids. Some still maintain that they were constructed by aliens, or at the very least, under their supervision. Why? Because it is confusing that people in antiquity could accomplish things on their own. You get the idea. However, we do have some very strong evidence showing both the length of time it took to build them and that they were indeed built by people on Earth.

Although there isn’t a clear account of how the pyramids were built, it’s generally accepted that the Great Pyramid was built between 2560 and 2540 BC, giving or taking a few years. The Greek historian Herodotus wrote that it took 100,000 men 20 years to finish, however he was infamous for embellishing his history and making assertions that lacked supporting data. Though more recent estimates put the number closer to 20,000, the 20 years was likely accurate. which is still quite a bit, you know. For what it’s worth, it’s also thought that paid laborers, not slaves, built the pyramids.

It is estimated that the construction of the Sphinx took 100 workers roughly three years, making it a somewhat faster project.

8.For fourteen years, work was underway on a German airport.

Large cities all throughout the world have more complicated airports, and building them might take months or even years. One of the biggest and busiest airports in the country, JFK airport in New York, was built from 1943 to 1948, with a three-year delay.

After 14 years, Germany’s Berlin Brandenburg Airport might win the prize for the longest-running airport building project. That was the entire amount of time between groundbreaking and the eventual need to move forward with operations. In addition, this occurred nine years after the airport’s completion and thirty years after its original plan.

More issues arose after building started, and the planning process took a very long time. The construction planning company filed for bankruptcy. Then, safety concerns delayed the opening. It was rescheduled after they carried on past the subsequent opening date. After that, the technical director of the airport was charged with accepting bribes, and other board members resigned. Then they discovered that the person in charge of all those broken safety precautions had falsified his qualifications. His justification? “Everyone assumed that me being an engineer. I simply didn’t disagree with them.

After the outgoing CEO resigned, the subsequent one was also sacked, adding to this unfortunate circus. After numerous accusations of bribery and corruption, it was eventually granted a permit to open in 2020.

7.Since 1987, work has been underway to construct the Ryugyong Hotel in North Korea.

Which hotel in North Korea is the hottest? You’re correct if you suggested the Ryugyong Hotel! Kind of. Even though North Korea isn’t exactly a popular destination for tourists, they yet take steps like taking 35 years to construct a five-star hotel.

Back in 1987, work on the enormous glass tower that resembles a pyramid started. It was intended to have 3,000 rooms, climb more than 1,000 feet (or 300 meters), and have not one, but five rotating restaurants, so you would never have to stop spinning while eating. The goal was for it to open in 1989. They narrowly missed that objective.

In 1992, they attained that 1,000 feet at last. All it lacked were windows. That was the case for the ensuing sixteen years. Why not? People began referring to it as the Hotel of Doom. In 2019, it boasted LED lighting and windows, and it was known for being the tallest vacant building in the world. It was formerly projected to have cost $750 million US, or 2% of the GDP of the entire nation.

The construction is thought to be partially composed of concrete rather than steel, which makes wiring and piping it considerably more difficult. This is one of the reasons it isn’t in use yet. There are also rumors that it was not built correctly.

6.Fort Boyard Began in 1804 But Wasn’t Completed Until 1857

Explore the islands of Aix and Oléron on the west coast of France. Fort Boyard, a former military installation that was the setting for a game show much later in its history, is located between the two.

The first person to wish to construct a fort there was Louis XIV. It was said to him that building on the moon would be more difficult than catching it with his teeth. Napoleon, thus, had to start building many years later, with blueprints in 1801 and actual construction starting in 1804. And then it was shelved for thirty years during the Battle of Aix Roads.

Plans were back on track by 1842, and by 1857 it was prepared for implementation. By then, however, the artillery had progressed to the point that guns could fire straight across the gap between the two islands, completely ignoring the fort. By the time it was done, it was pointless.

5.The Second Avenue Subway in New York was planned in 1920, but it hasn’t been completed.

Millions of people worldwide have seen New York’s subway system in one form or another because to its widespread representation in films and television shows, even if you have never been to the city. However, the 2nd Avenue underground, a project that has been proposed or under development since 1920 but never seems to materialize, is something that none of us have ever seen.

Twenty years ago, a city engineer offered the notion of a subway system down 2nd Avenue. The Transportation Board made another proposal for it in 1929. By the 1940s, the elevated train had been removed, and guess what? A subway system on 2nd Avenue was proposed to take its place. The plan was again shelved by the war.

The city made significant progress in the 1950s when a bond was approved, providing $500 million for the line. However, they simply spend the funds on already-existing subway lines. They intended to rebuild it in 1968 with fresh funding. Subsequently, in 1972, they genuinely started construction on the 2nd Avenue line. However, the project was put on hold when the city ran out of money. It wasn’t going to move again until 2007.

A portion of the subway was completed and accessible to the public by 2017. Though they are currently only plans, there are three more phases of the construction scheduled. For what length of time may it take?

4.More than 135 years have passed since the construction of Sagrada Familia

As we will see in a moment, building cathedrals is not an easy task. They are very costly, span generations and entire architectural movements, and are prone to being put on hold for events like wars.

The Sagrada Familia in Barcelona was designed in 1882, and the foundation stone was placed in March of the same year. Parts of the construction were completed in 1925, including the bell tower. Vandalism in 1936 brought about a setback, but everything quickly got back on track.

When the church was completed, it was supposed to hold 13,000 people. It will likely be very large. However, the original plan called for at least 200 years to complete, and it is still unfinished. In 1984, it was designated as a Unesco World Heritage site.

3.Work on the Milan Cathedral was ongoing for almost 600 years.

As far as we can determine, the Duomo Milan cathedral’s building got underway in 1386. It was to be one more of the grand and magnificent Gothic churches built during the height of the popularity of the architectural style.

The altar was dedicated by the Pope in 1418, and by the end of that century, Leonardo da Vinci had contributed to its design. While it was still unfinished, much of the outside facade and spires were installed during Napoleon’s rule. The interior construction proceeded steadily albeit slowly. It took 578 years to complete the cathedral due to further repairs, glasswork, and facade work. In reality, the cathedral wasn’t completed until 1965.

2.It Took 632 Years to Complete the Cologne Cathedral

Building cathedrals is a serious business, as we have seen. With the cornerstone being put back in 1248, the Cologne Cathedral has been standing for an astounding 632 years. The project was put on hold for three centuries in the sixteenth century when the city ran out of money and decided that Gothic architecture was out of style.

The completion of the cathedral was eventually financed by contributions in 1880 when King Frederick William IV of Prussia determined in the 1800s that it would be a good idea to finish the building.

1.Construction of the Great Wall of China Took Approximately 2,300 Years

Stretching 13,000 miles, or roughly 21,000 kilometers, is the engineering masterpiece known as the Great Wall of China. While the Square Wall of Chu dates to the 7th century BC, portions of the wall date to the 5th century BC. It was never really a single building project because it connected numerous earlier walls and fortresses, but Qin Shin, the first Chinese emperor, started connecting many of these walls in the third century BC.

Although building on the wall continued for centuries, many of those early sections are no longer in existence. During the Ming Dynasty, which lasted from the 14th to the 17th century, many of the most well-known parts were produced. The wall took over 2,300 years to build and has withstood nine Chinese dynasties in total.

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