Yonglongsha

Yonglongsha first appeared in the 42nd year of Kangxi (1703) but was impermanent. It emerged most recently in 1937. Areas of the former channel between the two islands form the North Heng Irrigation Canal p Běi Héng Yǐnhé), a stretch of the canal which runs in a partial ring around Chongming Island. A separate area of present-day Qilong derives from its absorption of a second shoal, Xinglongsha p Xīnglóngshā), which likewise formed in the middle of the Yangtze's channel and then migrated over time towards Chongming. ==Infrastructure==

During its existence, the island had ferry service to Haimen's Lingdian Harbor (t , s , p Língdiāngǎng) and Qidong's Sanhe Harbor (, Sānhégǎng). ==See also==