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
Central City Commercial Historic District Central City Commercial Historic District The Central City Commercial Historic District is a historic district located in Central City, Iowa, United States. Much of Central City's commercial district was destroyed in a fire in 1889. Local entrepreneurs rebuilt the area as quickly as possible. Paul Sigmund, a noted local contractor-builder, built a group of buildings after the fire. The historic district exemplifies the importance transportation played in the development of the central business district. Several architectural styles are also featured in the district including Late Victorian, Prairie School, Commercial style and Art Deco. It has been listed on the National