Büyükdere Avenue was closed to traffic for ten hours. Büyükdere Avenue Büyükdere Avenue () is a major avenue which runs through the districts of Şişli (Esentepe quarter), Beşiktaş (Levent quarter) and Sarıyer (Maslak quarter) on the European side of Istanbul, Turkey. It begins at Şişli Mosque and runs in an eastward direction partly under the viaduct of the inner-city motorway O-1 through Mecidiyeköy, Esentepe, until reaching Zincirlikuyu; where it joins with Barbaros Boulevard and turns northward passing through Levent, Sanayi Mahallesi, Maslak and by the Fatih Forest, ending at the Hacıosman Slope on the Sarıyer district border. Its total length is .
Ottawa Commercial Historic District Ottawa Commercial Historic District The Ottawa Commercial Historic District is a historic district in downtown Ottawa, Illinois. The district includes 195 buildings and structures, most of them commercial buildings, spread out over 26 city blocks. The oldest buildings in the district, located near the Illinois and Fox rivers, were built in the 1830s. The district expanded northward toward the Illinois & Michigan Canal over time, and the buildings in its northern half date to the mid-to-late 19th and early 20th centuries. The district's buildings include most popular Midwestern architectural styles from the mid-19th century through the mid-20th century; some of