• Restoration and revitalization of an historic building at the Wiener Neustädter Kanal in ecological sustainable construction style and with utilization of alternative energy
  • Gardening
  • Author at Wikipedia 
  • Travelling the world
  • Australia in general – landscape, flora and fauna, people – especially the different modes of transport, their registration and the different license plates of the Australian states and territories
  • Collecting of Australian license plates and set up of a German website and data base