The distance between Building No.7 and Building No.8 of Xi 'an World Trade Brilliant City Phase II is about 45 meters. Under standard circumstances, the distance between two buildings is about 1.3 times the height of the building. There are ten floors in Building No.7 and Building No.8 of Xi 'an World Trade Brilliant City Phase II, with a height of about 35 meters, which translates into a building spacing of 45 meters.