The construction of the GUM lasts for 3 years (1890-1893) under the instructions of the architect Alexander Pomerantsev and engineer named Vladimir Sukhov. 242 meters along the building has a glass roof that is made from high quality materials.
14 meters in diameter, the arched roof frame is made of 50 thousand pieces of metal. Weighing up to 820 tons of robust and tested hold a pile of snow in the winter.
For the pane consists of 20 thousand more sheets of thick glass, which weighs ever reached 800 tons more. Each floor is made of concrete, with a beautiful granite-lined arcade design of Red Finland, Tarusa marble and limestone. Wuih, magnificent really right?