 Typical of this style is the use of blue-gray stone from the Tournai area, the single large tower above the crossing, and the slender turrets at the building's corners.Built in the old trade center of Ghent next to the bustling "Korenmarkt" (Wheat Market), St. Nicholas Church was popular with the guilds whose members carried out their business nearby.The guilds had their own chapels which were added to the sides of the church in the 14th and 15th centuries.