July 2, 2008 - ...of plastic bags for a few years, industry officials said.In 2001, Shangri-La, also known in some guidebooks by its old name Zhongdian, the most beautiful and unstained place in northwest Yunnan, forbid the use of plastic bags. It became the first place in the country to ban plastic bags."During the past seven years, the most difficult thing for us is to find out proper substitutes," said Losang Chagxi, the environment protection bureau chief of Shangri-La County.When the...