Laborers work at a pink salt workshop in Khewra in Jhelum district of Pakistan's Punjab province on March 1, 2021. Himalayan pink salt produced in Pakistan is famous worldwide as it has been a preferred choice in daily diet and decorations. Photo:Xinhua

Photo taken on March 1, 2021 shows a view of the Khewra Salt Mine in Jhelum district of Pakistan's Punjab province. Himalayan pink salt produced in Pakistan is famous worldwide as it has been a preferred choice in daily diet and decorations. Photo:Xinhua

Photo taken on March 1, 2021 shows a view of the Khewra Salt Mine in Jhelum district of Pakistan's Punjab province. Himalayan pink salt produced in Pakistan is famous worldwide as it has been a preferred choice in daily diet and decorations.Photo:Xinhua