Xiao Longyuan, left, 12, and his 10-year-old brother Xiao Longlin take a break from their chores on a tobacco farm in a remote village of Xuan'en county, Central China's Hubei province, on August 11, 2011. Tobacco cultivation is the main source of income for the local farmers. The two brothers help their family bundle and bake tobacco leaves during their summer vacation, which is the busiest time for harvest. [Photo/Xinhua]

Xiao Longlin bundles up tobacco leaves in a remote village of Xuan'en county, Central China's Hubei province on August 11, 2011. [Photo/Xinhua]