Maslak United States) constructing with steel costs more than constructing with concrete. The reason for choosing steel was its relative strength in resisting earthquakes (Istanbul is located along an active fault), whereas concrete is more fire-resistant. The stations "İTÜ-Ayazağa" and "Atatürk Oto Sanayi" along the M2 line of the Istanbul Metro serve the Maslak business district and its surrounding neighbourhoods. One of the five campuses of the Istanbul Technical University, the Ayazağa Campus, is located in Maslak. Maslak Maslak is one of the main business districts of Sarıyer, Istanbul, Turkey, located on the European side of the city. It was formerly
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.