Intelligent garbage cans help protect environment

People put paper boxes into an intelligent garbage can in a residential area in Yuquan district, Hohhot, Inner Mongolia autonomous region on May 16. Several intelligent garbage cans have been placed throughout the residential area. These machines can determine the type and weight of trash and calculate its value. People can scan a OR code to receive money after throwing garbage away. [Photo/IC]

An elderly lady throws away a plastic bottle on May 16. These intelligent garbage cans are able to sort garbage and increase awareness of the importance of protecting the environment. [Photo/IC]