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
El Dorado Commercial Historic District El Dorado Commercial Historic District The El Dorado Commercial Historic District encompasses the historic commercial heart of downtown El Dorado, Arkansas. The city serves as the seat of Union County, and experienced a significant boom in growth during the 1920s, after oil was discovered in the area. The business district that grew in this time is anchored by the Union County Courthouse, at the corner of Main and Washington Streets, where the Confederate memorial is also located. The historic district listed on the National Register of Historic Places in 2003 includes the city blocks surrounding the courthouse, as well as