Deutsch
English
中文
Danish
Eesti
Español
Suomi
Français
Italiano
日本語
한국
Nederlands
Norge
Polski
Portugues
Русский
Svenska
Türkçe
العربية
Romanesc
български
Sandabbau am Mekong-Delta
© Oliver Lojek, (Quelle: Ludwig-Franzius-Institute for Hydraulic, Estuarine and Coastal Engineering) Sandabbau am Mekong-Delta
© Oliver Lojek, (Quelle: Ludwig-Franzius-Institute for Hydraulic, Estuarine and Coastal Engineering)