【正】 About 20 travelers and I were crammed on a bus on the winding road between Baoshan Airport, about 530 kilometers away from Kunming, capital of Southwest China’s Yunnan Province, and Tengchong.We were on our way to see some dormant volcanoes around Tengchong, a place well-known for its unique geographic scenery in western Yunnan.It was a bright day with a steady breeze, ideal for a long trip.The shuttle bus rattled considerably as it raced along the dusty road with