Provide free 3-day 2-test nucleic acid testing in Ningxia

Day 1: All over the country—Yinchuan—free activities—Yinchuan hotel (pick up/station provided, free all day)

Day 2: Yinchuan—Zhenbeibao Western Film City—Yellow River Grand Canyon—Zhongwei

Day 3: Zhongwei-Shapotou-Route 66-Yinchuan Hotel (Crazy play Shapotou, go to the Chinese version of Route 66)

Day 4: Yinchuan - all over the country (say goodbye to Jiangnan, return to a warm home)