Buildings have been around for many years and with so many years of people building and learning. There are bound to be some interesting facts which can be surprising.
Eiffel Tower at its highest
Eiffel tower as it is made of metal it expands due to heat and In summer, The tower stand at 320 meters which is about the height of an 81 storey building. This is due the change in temperature.

The only Wonder of the World existing today
The Great Pyramid of Giza is the only existing wonder which was not destroyed. As there are accounts of two of the wonders being destroyed by fire and the three by earthquake and the one being destroyed is still debatable.
The Empire State Building
This is the only skyscraper to have the record of fastest built. It took only one year and 45 days to build. Also, during its built time it the reduced cost due to the depression was estimated to be only $24.7 million.

The Longest Holder of World’s Tallest building title
This is another title which goes to Empire State Building which has held the title for 42 years. It was later surpassed by the WTC in 1972.
The Five Star Rating
If you are wondering what star rating does Burj Al Arab Falls under. The hotel says that the claims of being a star rated is meaning less and was originated by the journalists. They neither encourage it or use it for their advertisements.

The stone used in the construction on Panthenon’s Dome in Rome.
Pumice was the porous light stone which was used to concrete of the dome to help reduce the weight. If the building was constructed in concrete the stress in the arch would be much more heavier. This same technique was used in the construction of the Colosseum.
The longest and deepest tunnel in the World
Gotthard-Basistunnel is a railway tunnel in the Alps in Switzerland. The route length is 57.09 kms which is one of the longest and the deepest traffic tunnel.

The Arch of Reunification
This beautiful structural Arch is located in the south of Pyongyang which is the Capital of North Korea. It was opened in the August of 2001 to celebrate the unification proposals which was put forth by Kin Il-sung.
The Runit Island
Enewetok Atoll and the other Island has a three year cleanup process. It is more that 111,000 cubic yards of contaminated soil which is buried in an atomic blast crater. Today, a concrete dome covers the material. Check out this site to know more about buildings facts.

The World’s Longest Sea Bridge
You can take the Honk Kong-Zhuhai-Macau Bridge which is 55 kilometres which comprises of three cable-stayed bridges with an undersea tunnel with four artificial islands. It is one of the longest sea crossing and the longest fixed link on earth.



























