
Chinese tourists visit Buddhist statues at the Longmen Grottoes, a world cultural heritage, near Luoyang City in central China's Henan Province, May 2, 2009, the second day of the three-day May Day holiday. China has a totality of 37 world heritages which attract many tourists in the holiday. (Xinhua/Cheng Qianjun)

Chinese tourists visit the Longmen Grottoes, a world cultural heritage, near Luoyang City in central China's Henan Province, May 2, 2009, the second day of the three-day May Day holiday. China has a totality of 37 world heritages which attract many tourists in the holiday. (Xinhua/Cheng Qianjun)

Chinese tourists visit a Suzhou traditional garden, a world cultural heritage, in Suzhou City of east China's Jiangsu Province, May 2, 2009, the second day of the three-day May Day holiday. China has a totality of 37 world heritages which attract many tourists in the holiday. (Xinhua/Hang Xingwei)

Chinese tourists visit a Suzhou traditional garden, a world cultural heritage, in Suzhou City of east China's Jiangsu Province, May 2, 2009, the second day of the three-day May Day holiday. China has a totality of 37 world heritages which attract many tourists in the holiday. (Xinhua/Hang Xingwei)

Chinese tourists visit the Mogao Grottoes, a world cultural heritage, near Dunhuang in northwest China's Gansu Province, May 2, 2009, the second day of the three-day May Day holiday. China has a totality of 37 world heritages which attract many tourists in the holiday. (Xinhua/Zhang Weixian)