People prepare giant flower carpet at the Grand Place in Brussels, capital of Belgium, August 14, 2012. The biennial flower carpet, made up with about 600,000 begonia and dahlia flowers, debuted on Tuesday.[Photo/Xinhua]

Flower carpet is displayed at the Grand Place in Brussels, capital of Belgium, August 14, 2012. The biennial flower carpet, made up with about 600,000 begonia and dahlia flowers, debuted on Tuesday.[Photo/Xinhua]