Flocks of sheep are seen in this picture taken on June 27, 2012 in the grassland Siziwang Banner, Inner Mongolia autonomous region. China's Shenzhou IX manned spacecraft will return to the Earth around 10 am Friday and is expected to land in the Siziwang Banner of Inner Mongolia autonomous region. Weather forecast said it might be an overcast day tomorrow with a little shower. [Photo/Xinhua]

Cows are seen in this picture taken on June 27, 2012 in the grassland of Siziwang Banner, Inner Mongolia autonomous region. [Photo/Xinhua]