"Revision: the art of recycling" art exhibition held in Burnaby, Canada

A visitor takes a look at an artwork which is built by used syringes during the "Revision: the art of recycling" art exhibition at Burnaby Deer Lake Gallery in Burnaby, Canada, Sept. 21, 2019. Artists showcased their creativity by recycling waste materials and discarded objects into art to raise awareness of environment protection. (Photo by Liang Sen/Xinhua)