Yiwu Wet Pond is the largest artificial lake in Kouhu Township, Yunlin County and is praised as Yunlin’s Sun Moon Lake. This 100-hectare pond is not only a popular tagged location on Instagram, but also a well-known bird-watching spot in Asia. The original site of the pond was located on abandoned farmland due to sea inundation caused by land subsidence. Thanks to the efforts of the Yunlin County Government in 2014, this place was turned into a flood control wet pond as well as a space for environmental education and recreation.