In this photo taken by Vladimir Shukhov in 1922 and provided by Shukhov Tower Foundation, the top section of the tower is assembled in Moscow, Russia. The Shukhov Tower, one of the symbols of Soviet constructivists architecture, known as Russias Eiffel tower, is now under threat of demolition. The Tower, built in 1922, has a unique hyperbolic structure, first designed by architect and engineer, Vladimir Shukhov in the end of 19th century. Russian government made a decision to tear down the tower due to surface corrosion and a threat of falling down. (AP Photo/Vladimir Shukhov, Shukhov Tower Foundation)