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
Valley Junction Commercial Historic District Valley Junction Commercial Historic District The Valley Junction Commercial Historic District is a nationally recognized historic district located in West Des Moines, Iowa, United States. It was listed on the National Register of Historic Places in 2017. At the time of its nomination it consisted of 72 resources, which included 53 contributing buildings, 17 non-contributing buildings, and two non-contributing structures. What is now the city of West Des Moines was incorporated as Valley Junction in 1893. Its central business district, which is the subject of this historic district, developed near the depot of the Chicago, Rock Island and Pacific Railroad.