A resident harvests potatoes at Qiongda village in Dazi district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

A machine harvests corn in Dazi district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Farmers harvest highland barley at Tangga village in Dazi district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Farmers air highland barley at Zhaxigang village in Dazi district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

A worker tests a customer`s temperature before allowing him to choose goods at a shop in Duilongdeqing district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Customers choose goods at a shop in Duilongdeqing district of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Residents follow the city`s rules on COVID-19 prevention and control to enter a shop in Nimu county of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Residents follow the city`s rules on COVID-19 prevention and control to enter a shop in Nimu county of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]

Workers resume work at a reservoir construction site in Nimu county of Lhasa, capital of Southwest China`s Tibet autonomous region. [Photo provided to chinadaily.com.cn]