A woman of the Miao ethnic group gets grains at the overwater barn of her family in Leishan County, southwest China's Guizhou Province, Nov. 10, 2010. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

A woman of the Miao ethnic group enters an overwater barn of her family to get grains in Leishan County, southwest China's Guizhou Province, Nov. 10, 2010. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

A woman with a grain bag walks past an overwater barn in Leishan County, southwest China's Guizhou Province, Nov. 10, 2010. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

Two women of the Miao ethnic group chat outside overwater barns in Leishan County, southwest China's Guizhou Province, Nov. 10, 2010. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

Photo taken on Nov. 10, 2010 shows overwater barns in Leishan County, southwest China's Guizhou Province. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

A woman with a grain bag walks past an overwater barn in Leishan County, southwest China's Guizhou Province, Nov. 10, 2010. Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each. (Xinhua/Liu Xu)

Villagers of the Miao ethnic group here still use some 40 overwater barns with the history of over 100 years. The barns, locating in positions more than two meters over the surface of the water to avoid ants, rats and fire disaster, are able to store about 2,500 kg grains each.MMMwww.Chinakindnesstour.com