A staff member works on a potato harvester at the farm of C.A.R.A.H in Ath, Hainaut, Belgium, Oct. 17, 2020. The potato is one of the main crops in Belgium and the potato industry plays an important role in Belgian economy. (Xinhua/Zheng Huansong)

Staff members load collected potatoes at the farm of C.A.R.A.H in Ath, Hainaut, Belgium, Oct. 17, 2020. The potato is one of the main crops in Belgium and the potato industry plays an important role in Belgian economy. (Xinhua/Zheng Huansong)

Staff members load collected potatoes at the farm of C.A.R.A.H in Ath, Hainaut, Belgium, Oct. 17, 2020. The potato is one of the main crops in Belgium and the potato industry plays an important role in Belgian economy. (Xinhua/Zheng Huansong)