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
Arkadelphia Commercial Historic District of Main Street, between 5th and 7th Streets, and three blocks of Clinton Street, between 6th and 9th Streets. A number of buildings in the district were destroyed by an F-5 tornado which struck the town in 2009. Arkadelphia Commercial Historic District The Arkadelphia Commercial Historic District encompasses the historic commercial core of Arkadelphia, Arkansas, the county seat of Clark County. Arkadelphia was settled in 1842, and its commercial district is located in one of the older parts of the city, near the Ouachita River. Most of the buildings were built between c. 1890 and c. 1920, and are built