Visitors mill around a bright red hilltop pagoda in southwestern China, gazing down at a sprawling cigarette factory whose deadly output has put an otherwise unremarkable city on the map. Yuxi's history of tobacco production draws tourists from across the country, but as Beijing tries to kick the habit a key source of the area's revenue may be under threat. "Yuxi's cigarettes are quite famous, so we've always wanted to come and have a look," said a tourist surnamed Dong from the northeastern city of Dalian. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES