The Beijing National Stadium - more often referred to as the Bird's Nest Stadium - took five years to complete and was constructed using 42,000 tons of steel, making it the largest steel structure in the world.
Copyright: Li Ben Type: 360° Video Resolution: 2,048 x 1,024 Taken: 15/02/2020 Caricate: 17/02/2020 Numero di visualizzazioni:
