I am thankful for donations of any amount...
Matthias Keller
Seidenweg 2
3012 Bern
IBAN: CH18 0840 1016 1390 6980 4
Migros Bank Bern
Aarbergergasse 20-22
3011 Bern
if you do not want to donate your money for my pleasure, consider http://wwf.ch/de/tun/unterstutzen/
