Limestone high quality quarried limestone, called Indiana limestone. Many famous buildings in London are built from Portland limestone. Limestone was also a very popular building block in the Middle Ages in the areas where it occurred, since it is hard, durable, and commonly occurs in easily accessible surface exposures. Many medieval churches and castles in Europe are made of limestone. Beer stone was a popular kind of limestone for medieval buildings in southern England. Limestone and (to a lesser extent) marble are reactive to acid solutions, making acid rain a significant problem to the preservation of artifacts made from this stone.
Shining Tor Shining Tor Shining Tor is a hill in the Peak District of England, between the towns of Buxton and Macclesfield, lying on the border between Derbyshire and Cheshire. Its summit is the highest point in modern Cheshire, with Black Hill near Crowden being the historic county top of Cheshire. The word "tor" means a high rock, and is a loan word from Old Brythonic. The hill can be climbed by many routes, perhaps most commonly from the Goyt valley by Errwood reservoir, perhaps combined with a walk along the ridge north from Shining Tor over Cats Tor. It can also