777 is a 52-storey skyscraper in Los Angeles, California, USA. It is 221 meters high. It was built in 1991. It was designed by Cesar Pelli, a famous architect. It consists of a three-storey Italian marble hall with white alloy and glass outside. It is very beautiful in the daylight and at night. It embodies the stretching style of post-modern use, with simple and elegant design focus on the details of the classic, becoming a new standard of commercial architecture.