In the twentieth century, astonishing progress has been made in the art of building construction. Today buildings up to 110 floors have also been built in the world. Every country is engaged in constructing one huge building from another. Do you know which is the largest office in the world?
The Pentagon in the American city of Arlington is the largest in the world. The Potomac is made of this type of conduit. The movie belongs to the US Department of Defense. The architectural feature is that the permanent is pentagonal and the movie Panchi is also included in it. is offered. Fine construction work was completed on 15 1943. It cost 83,000,000 to build.
There are five pentagonal buildings inside one in this building. The length of the building outside is about 281 meters (921 ft). The perimeter of this building is 1370 meters (1500 yards). The total area of the five storeys is approximately 604000 square meters (6500000 sq ft). About 29000 people work in it during the day. The number of telephones in this building is about 45000, which is more than the telephones installed in any one building in the world. This telephone is 257500 kms. Can receive messages up to a distance of (160000 miles).220 people work on these telephones, who receive 280,000 calls daily. The building has two spacious restaurants, six cafeterias and 10 snackbars, which serve 675 people. It takes 27 km to roam all the floors of this building. (17 miles) has to be covered. It has 7748 windows, which are cleaned daily.
