District 7 The main Vienna Public Library on Urban-Loritz Platz. Built above the subway, it has over 300,000 books (in several languages) and over 65,000 electronic media that can be borrowed, in addition to over 400 newspapers that can be read there. It was constructed in 2003 and there are 102 steps to the coffee shop on the top.
District 2 The Waste Disposal plant "Pfaffenau" of the Municipal Office 48 (Waste disposal). This plant was opened in 2008, one of the most modern of its kind. In addition to burning 250,000 tons of waste annually with almost no emissions, it creates 65 Gigawatt Hours of electricity annually and 410 Gigawatt Hours of heat for remote heating of households in Vienna. The iconic color of MA 48 vehicles is orange.
Between districts 2 and 22 The "U2" bridge - always designed to carry the U2 subway across the Danube, it started life as a replacement bridge for vehicles while the nearby Prater Bridge was being widened.