Amt für Wasser - Weltwassermonitoring-Tag [412-APD-1018-10-18-06 _ Water _ Monitoring _ 057.jpg]
Zusammenfassung
Office of Water - World Water Monitoring Day
Public domain photograph - US government agency activity, free to use, no copyright restrictions image - Picryl description
Tags
Datum
2000 - 2010
Quelle
The U.S. National Archives
Copyright-info
No known copyright restrictions