The Major Mining Sites of Wallonia is a UNESCO World Heritage Site comprising four sites in Wallonia in southern Belgium associated with the Belgian coal mining industry of the 19th and 20th centuries. The four sites of the grouping, situated in the French-speaking Hainaut Province and Liège Province, comprise Grand-Hornu, the Bois-du-Luc, the Bois du Cazier and Blegny-Mine. Description The site was recognized by the UNESCO commission in 2012 and is officially described: The four sites of the property form a strip that is 170km long by 3 to 15 km, crossing Belgium from east to west. It consists of the best-preserved 19th- and 20th-century coal mining sites of the country. It features early examples of the utopian architecture from the early periods of the industrial era in Europe within a highly integrated, industrial and urban ensemble, notably the Grand-Hornu colliery and workers’ city designed by Bruno Renard in the first half of the 19th century. Bois-du-Luc includes numerous buildings erected from 1838 to 1909 and one of Europe’s oldest collieries dating back to the end of the 17th...