These 17th century guildhalls are a few of the magnificent buildings encircling Grote Markt in Brussels. Grand Place is a UNESCO World Heritage Site. An array of fresh flowers is sold daily in the market. Every other August since 1971, this central square is adorned with a million fragrant flowers. The Tapis de Fleurs Association creates a 252 by 78 foot floral blanket with intricate designs resembling a tapestry. The biennial event is called Flower Carpet.