VANCOUVER, June 5, 2016 (Xinhua) -- People visit a landfill compactor during a bus tour of the Vancouver Landfill open house event in Delta, Canada, on June 4, 2016. To celebrate its 50th anniversary, the Vancouver Landfill hosted an open house event for residents to learn more about the management of the facility and increase their knowledge and concern about the home garbage management. (Xinhua/Liang Sen)