DeWayne Hopkins, mayor of Muscatine, speaks during the opening ceremony of Sino-U.S. Friendship House in Muscatine, Iowa, the United States, September 17. A white bungalow in Muscatine, a small town in the U.S. state of Iowa, which was proclaimed as the "Sino-U.S. friendship house," was opened to visitors on the day. The structure is located at 2911 Bonnie Drive of Muscatine, with a population of 20,000. The town has become well-known in China because of Chinese President Xi Jinping's two visits to it before he took office in March 2013. President Xi will pay a state visit to the United States from September 22-25 (XINHUA)