On March 18, Yang Jun (left), an associate researcher at the Institute of Tropical Horticulture of Hainan Provincial Academy of Agricultural Sciences, and Wang Xiaojiao, an assistant researcher, take off their masks and perform variety observation and recording on the Bougainvillea germplasm nursery. (Photo by Su Xiaojie/Hainan Daily)

On the evening of March 20, a customer is tasting snacks at the stalls next to Yucun Road in Sanya City. (Photo by Wei Wu/Hainan Daily)

On March 20, citizens buy apples at the Marriott Supermarket in Haikou Friendship Sunshine City Boutique Apartment. (Photo by Li Tianping/Hainan Daily)

On March 20, a citizen is consuming snacks at the snack street in Haikou Friendship Sunshine City Boutique Apartment. (Photo by Li Tianping/Hainan Daily)

On March 19th, Hainan Binglang Valley Li & Miao Cultural Tourism Zone is reopened, and tourists enjoy playing Li instruments in the scenic spot. (Photo by Liang Junqiong/Hainan Daily)