Green residential apartments and converted gasometers, Gasometer City, Simmering, Vienna, Austria, Europe

travel destination horizontal outdoors day no people clear sky green residential apartment converted gasometers gasometer city simmering vienna austria building exterior modern contemporary design redesigned reuse new and old sustainable 19th century style gas tower 21st century style tourist destination place of interest man made landmark outside nobody no one no one daytime europe european austrian buildings block of flats angle landmark