The United States of America, a country with the world’s most powerful economy and military, a country with scientific prowess, and a country that excels in many other areas, has…
Staircase, or a series of steps/flight, or a pathway that covers vertical distance. Its surface consists of treads (horizontal surface) and risers (vertical surface) with a nosing that is the…
Wuhan Greenland Center, now under construction in Wuhan, China, will be 636-meters tall when completed in 2018. The 120-story mixed-use tower will have 300,000 sm of total floor area, including…
