A man, a woman and two middle school students drowned at Langzhong Rhino Pier. When the body was salvaged, their palms were still tied together, and it was initially suspected that they died of double suicide. At present, the body has been transported away. Girls are the key classes in Langzhong Middle School. It is said that she plays with a boy in Jiangnan Vocational School. The girls are pregnant, and they have no face to face their families. So sadly, she chose double suicide.