A sightseeing train takes tourists to travel on the road of Cherry Valley in the Nantong Intercontinental Green Expo Park. The expo park is a national 4A tourist attraction. Covering an area of 330 mu (hectares), it has attracted the investment of 300 million yuan ($44.6 million). The park is a botanical garden that integrates plant display, popular science education, natural protection and ecological leisure functions. Over 20 themed landscapes have been built including tropical pavilion, famous tropical flowers and rain forest pavilion, and terraced fields of flowers. [Photo/tongzhou.gov.cn]