Dutch people look at the 66th flower parade with the theme "Bon Appetit" this year in Nordwijk, the Netherlands, on April 20, 2012. The very famous event with 20 floats opulently decorated with spring flowers started from Nordwijk and ended in Haarlem following a 40-km route. (Xinhua/Sylvia Lederer)

A Dutch drives a float during the 66th flower parade with the theme "Bon Appetit" this year in Nordwijk, the Netherlands, on April 20, 2012. The very famous event with 20 floats opulently decorated with spring flowers started from Nordwijk and ended in Haarlem following a 40-km route. (Xinhua/Sylvia Lederer)

A Dutch takes photos of a float during the 66th flower parade with the theme "Bon Appetit" this year in Nordwijk, the Netherlands, on April 20, 2012. The very famous event with 20 floats opulently decorated with spring flowers started from Nordwijk and ended in Haarlem following a 40-km route. (Xinhua/Sylvia Lederer)