Recently, a 15-second flash video about Chongqing's urban landscape went viral online, which covers the city's three-dimensional transportation, the two rivers, four riversides, parks, green areas, and clean water. This video clip shows the results Chongqing has obtained since it started urban upgrading efforts. In September 2018, Chongqing began implementing its urban upgrading action plan to comprehensively improve the city's quality in the economy, human and culture, ecological environment, and life to enhance the city's image and make life better for its citizens. Let's have a look! Huangjuewan Flyover: known as the largest and most complex "hub" flyover with multiple functions, and also a place worth visiting.