The Shimizu TRY 2004 Mega-City Pyramid is a proposed Shimizu Corporation project for the construction of a massive arcology-pyramid over Tokyo Bay in Japan. The structure would house 1,000,000 people. The structure would be 2,004 meters (6,575 feet) high, including five stacked trusses , each with similar dimensions to that of the great pyramid of Giza . This pyramid would help answer Tokyo's increasing lack of space, although the project would only handle a small fraction of the population of the greater Tokyo area ... The proposed structure is so large that it could not be built with current conventional materials, due to their weight. the construction of pyramid started in 2030 the floor area of pyramid is 8 squares kilometer . Estimated completion 2110. The proposed structure is so large that it could not be built with current conventional materials, due to their weight. The design relies on the future availability of super-strong lightweig...