A visitor watches a bullet train model at the Hunan booth at the Expo Central China 2012 in Changsha, capital of central China's Hunan Province, May 18, 2012. A series of commerce forums and trade conferences will be held during the 3-day expo, which kicked off here Friday.
The Macao booth is seen at the Expo Central China 2012 in Changsha, capital of central China's Hunan Province, May 18, 2012. A series of commerce forums and trade conferences will be held during the 3-day expo, which kicked off here Friday.
