Maslak "Spine Tower" which reaches a structural height of 202 meters; while the tallest skyscraper currently under construction in Maslak (as well as Istanbul and the rest of Turkey) is the Diamond of Istanbul, which comprises three centrally-connected towers, the tallest of which will have 53 floors above ground and will reach a structural height of 270 meters (thus surpassing the current tallest completed skyscraper in Istanbul, the 54-floor, 261 meters tall Istanbul Sapphire in the nearby Levent business district.) The Diamond of Istanbul will also be the first steel skyscraper in Turkey, where (as opposed to the situation in the
Rochester Commercial and Industrial District brick construction. Civic and religious buildings are also found along Main Street, including a courthouse, city hall, and churches. The city's 19th-century industrial heritage is remembered in the four-story factory building of E.W. Wallace, its major shoe manufacturer, at 100 South Main Street. Rochester Commercial and Industrial District The Rochester Commercial and Industrial District encompasses the civic, commercial, and industrial heart of Rochester, New Hampshire. Oriented around the city's Central Square, the district includes the city's major civic buildings, most of which are Classical Revival structures from the early 20th century, a number of commercial buildings dating as far back