Tourists walk in the Chinese milk vetch field in Yijiang Township, Nanling County, Wuhu City of east China's Anhui Province on April 17, 2021. A Chinese milk vetch-themed carnival was held in Yijiang on Saturday to attract more tourists to the township. (Xinhua/Han Xu)

Tourists draw from nature in the Chinese milk vetch field in Yijiang Township, Nanling County, Wuhu City of east China's Anhui Province on April 17, 2021. A Chinese milk vetch-themed carnival was held in Yijiang on Saturday to attract more tourists to the township. (Xinhua/Han Xu)

Tourists take photos in the Chinese milk vetch field in Yijiang Township, Nanling County, Wuhu City of east China's Anhui Province on April 17, 2021. A Chinese milk vetch-themed carnival was held in Yijiang on Saturday to attract more tourists to the township. (Xinhua/Han Xu)

来源：Xinhua