According to official website of Harvard University, Harvard University has a total area of 4,882 acres and a building area of 2 1 565,000 square feet. The main campus of Cambridge covers an area of 224 acres, with a building area of 13202000 square feet. Harvard's business school and most sports facilities are located in the west of Boston, covering an area of 65,438+045 hectares. John Waite Bridge is a pedestrian bridge in the urban area, which spans the Charles River and connects two campuses. Harvard's medical school, dental school and school of public health are located in Changmu Medical District, covering an area of about 8.9 hectares, about 5.3 kilometers southwest of Boston's business district and 5.3 kilometers away from the headquarters.