Ostander is a coastal city in Western Belgium. In recent years, artists from all over the world have used many architectural walls of the city as "canvases" and created a large number of huge works of art by means of wall painting and graffiti, leaving a beautiful scenery for the city. (on May 18, a man with a dog passes a painting on the wall of a building in ostander, Belgium.) (a woman rides past a painting on the wall of a building in ostander, Belgium, on May 18.) (on May 18, a man passes through a building wall in ostander, Belgium.) (on May 18, a man passes through a building wall in ostander, Belgium.) (this is a painting on the exterior wall of the railway station parking lot taken in ostander, Belgium, on May 18.) (this is a painting on the wall of a building photographed in ostander, Belgium, on May 18.) (this is a painting on the wall of a building photographed in ostander, Belgium, on May 18.) (Xinhua News Agency)