Colorful chrysanthemum fireworks. The West Lake International Fireworks Festival is a large-scale fireworks display held by the Hangzhou Municipal Government. There are many kinds of fireworks. Fireworks that rotate like windmills are called colorful chrysanthemum fireworks. West Lake, located in the west of Hangzhou City, Zhejiang Province, China, is the first batch of national key scenic spots in China and one of the top ten scenic spots in China.