Sanitation workers collect fallen leaves and use them to form various patterns on ground in Qingyang district of Chengdu, Southwest China’s Sichuan province on December 4, 2018. (Photo/VCG)
Sanitation workers collect fallen leaves and use them to form various patterns on ground in Qingyang district of Chengdu, Southwest China’s Sichuan province on December 4, 2018. (Photo/VCG)
Sanitation workers collect fallen leaves and use them to form various patterns on ground in Qingyang district of Chengdu, Southwest China’s Sichuan province on December 4, 2018. (Photo/VCG)
Sanitation workers collect fallen leaves and use them to form various patterns on ground in Qingyang district of Chengdu, Southwest China’s Sichuan province on December 4, 2018. (Photo/VCG)
Sanitation workers collect fallen leaves and use them to form various patterns on ground in Qingyang district of Chengdu, Southwest China’s Sichuan province on December 4, 2018. (Photo/VCG)