2013 European floods into the Alps by the northerly flow, which led to intense orographic precipitation. Heavy rain was reported in the Austrian states of Vorarlberg and Tyrol and the area of Salzburg, and to the mountains of Upper Austria and Lower Austria and Upper Styria in a short time. On 30 May to 1 June, 150 to 200 mm of rain ( of rain) fell, in places reaching around 250 mm (), which in just a few days was the equivalent normally seen over two and a half months on average. The rainfall experienced in Austria has an expected return period of
Vorarlberg energy expenditure. Well-known award-winning architectural projects include the Kunsthaus Bregenz, Vorarlberg museum in Bregenz, Michelehof Hard and Hotel Krone Hittisau. A modern example for Vorarlberg architecture is located in Dornbirn. From 2010 onwards, Vorarlberg had been investing in research on renewable energy sources and energy-efficient houses in order to achieve self-set climate targets. In 2012, the first modular wooden hybrid complex of eight floors was built: The LifeCycle-Tower ONE (LCT ONE). It is 27 meters high and made of wood and concrete. In this architectural design, load-bearing elements are not covered. The benefits of this innovative project are environmental and