A plane flies over the site of Taipei International Flower Exhibition 2012 in Taipei, southeast China's Taiwan, Dec. 20, 2012. The flower exhibition will formally kick off in Tapei on Dec. 22. (Xinhua/Wu Ching-teng)

Photo taken on Dec. 20, 2012 shows a corner of Taipei International Flower Exhibition 2012 in Taipei, southeast China's Taiwan. The flower exhibition will formally kick off in Tapei on Dec. 22. (Xinhua/Wu Ching-teng)

A girl views the gardening works at Taipei International Flower Exhibition 2012 in Taipei, southeast China's Taiwan, Dec. 20, 2012. The flower exhibition will formally kick off in Tapei on Dec. 22. (Xinhua/Wu Ching-teng)

A visitor views the gardening works with her kid at Taipei International Flower Exhibition 2012 in Taipei, southeast China's Taiwan, Dec. 20, 2012. The flower exhibition will formally kick off in Tapei on Dec. 22. (Xinhua/Wu Ching-teng)

A visitor takes a photo of the gardening works at Taipei International Flower Exhibition 2012 in Taipei, southeast China's Taiwan, Dec. 20, 2012. The flower exhibition will formally kick off in Tapei on Dec. 22. (Xinhua/Wu Ching-teng)