Original sentence: Pei's Bank of China Tower, completed in 1990 and now Hong Kong's third tallest skyscraper
Edited sentence: Due to the lack of available space, few historical buildings remain in the urban areas of Hong Kong.Hong Kong also with the world biggest skyline with about 7000 building over 90meters high which is more than New York city and Sao Paulo(see this).However, Hong Kong has become a centre for modern architecture as older buildings are cleared away to make space for newer, larger buildings.Lowest from 500USD per mounth.Pei's Bank of China Tower, completed in 1990 and now Hong Kong's fourth tallest skyscraper.The Architecture of Hong Kong is extremely varied and diverse.The GDP of Hong Kong is very high, whereas they also have a list of rich and poor people.To compare with the richest person in whole Asia Pacific with 6.4 billion USD propertys