Which forested highland is located in Lower Austria and Vienna?
Princess Stéphanie of Belgium Princess Stéphanie of Belgium (21 May 1864 – 23 August 1945) was a Belgian princess by birth and became Crown Princess of Austria through her marriage to the heir-apparent of the Habsburg dynasty, Archduke Rudolf. She was famously widowed in 1889 when Rudolf and his mistress, Mary Vetsera, were found dead in an apparent murder-suicide pact at the Imperial hunting lodge at Mayerling in the Vienna Woods.
Lainz Tunnel The Lainz Tunnel (German: "Lainzer Tunnel" ) is a 12.8-kilometre-long, double-track railway tunnel in Vienna in service since 9 December 2012. Part of a tunnel system that includes the 13.4 km Wienerwald Tunnel, it connects Austria's Western, Southern, Eastern and Donauländebahn railways and greatly simplifies international and national connectivity in Vienna.