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.
Greek name Modern Greek Enlightenment and the development of Greek nationalism, names from antiquity became popular again. Family names may be patronymic in origin or else based on occupation, location, or personal characteristic. These origins are often indicated by prefixes or suffixes. Traditionally a woman used a feminine version of her father's family name, replacing it with a feminine version of her husband's family name on marriage. In modern Greece, a woman keeps her father's family name for life but may use a husband's name. In official documents in modern Greece, people are given three names: a given name, a patronymic and