50 Salên WWF Floodplain Reserve Marchegg
50 sal parastina cihêrengiya biyolojîkZêdetir agahdarî: https://www.wwf.at/das-schuetzen-wir/fluesse/march-thaya-auen/
50 sal parastina cihêrengiya biyolojîk
Agahî https://www.wwf.at/das-schuetzen-wir/fluesse/march-thaya-auen/