Interesting Buildings Sears Tower

I have seen many intresting buildings in my live.
A lot of them were very beautiful and great
but the greatest and the most beautiful building in my opinion is Sears Tower
Sears Tower is placed in chicago , is the highest building at world.
it was designed by chief architect Bruce Graham
Construction reached its maximum height in 1973
The Sears Tower covers two city blocks and has 101 acres of office and commerical space
Inside is the "Windy City," where the average wind speed is 16 miles per hour.
On a clear day You can see four states - Illinois, Indiana, Wisconsin, and Michigan - from the Sears Tower
Visitor Skydeck. The other intresting buliding that I've seen was John Hancock Center
JHC is highest building office -habitable in the world. In this 100 storeyed office building
except offices and apartments be placed also stores, department head stores,
restaurants, technical head offices, television studios. JHC was completed in 1970.Tourists can visit
the "Skywalk," as it is called, and breathe the outside air and hear the noise of the city below.