Art or Just Graffiti?
　Have you ever seen any works by Banksy?// Banksy is an anonymous artist from the UK.// Many people around the world who see his art are amazed because his paintings appear all of a sudden at unexpected places such as streets, walls and bridges.// The works which he paints or draws often raise social issues in an ironical fashion.// He rarely gets permission to paint his artworks, which makes some people regard his art as being no more than graffiti, and so they erase them.// However, many more people highly admire his works as sophisticated art, and one of his works has sold at auction for more than 16 million pounds.// Now what do you think about his work; is it art or just graffiti?//