Materials for the National Day decoration of Tiananmen Square are piled up at the square in the center of Beijing, China, Sept 5, 2007. The installation of decorational parterres at the square, using about 400,000 flowerpots, started on late Tuesday. China's National Day falls on Oct. 1.[Xinhua Photo]

Workers prepare for the flower terrace at Tian'anmen Square on September 5, 2007. [Xinhua Photo]

Photo taken on Sept. 5, 2007, shows the lines arranged for the installation of parterres at the Tiananmen Square in the center of Beijing, China, Sept 5, 2007. The installation of decorational parterres at the square for the forthcoming National Day, using about 400,000 flowerpots, started on late Tuesday. China's National Day falls on Oct. 1.[Xinhua Photo]

A crane hoists a parterre framework at the Tiananmen Square in the center of Beijing, China, Sept 5, 2007. The installation of decorational parterres at the square for the forthcoming National Day, using about 400,000 flowerpots, started on late Tuesday. China's National Day falls on Oct. 1.[Xinhua Photo]