A Chinatown is a section of an urban area outside of China that is associated with a large number of Chinese residents or commercial activities. These are most common in Southeast Asia and North America. Today, some Chinatowns are focused on commercial tourism while others are actual living and working communities; some are a synthesis of both. Many Chinatowns have beautifully crafted paifang, large red arched entrance structures. Who traditionally financed paifang construction? Discuss