A staff member monitors a trash pulverizer at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment. (Photos: Xinhua/Ren Chao)

A staff member monitors trash pulverizers at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.

A staff member monitors a trash pulverizer at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.

A staff member puts pre-processed oversized waste into a trash pulverizer at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.

A staff member puts pre-processed oversized waste into a trash pulverizer at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.

A staff member puts pre-processed oversized waste into a trash pulverizer at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.

Staff members pre-process oversized waste before pulverizing them at a district-level waste collection and recycling center in Xibeiwang Town of Haidian District, Beijing, capital of China, June 3, 2020. The facility is able to pulverize about 110 pieces of oversized trash per hour. Beijing began to carry out mandatory garbage sorting on May 1 in new efforts to protect the environment.