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Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater
BRK25H90_370

Germany - Wastewater treatment in a sewage treatme...

Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater
BRK25H56_342

Germany - Wastewater treatment in a sewage treatme...

Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater
BRK25H99_105

Germany - Wastewater treatment in a sewage treatme...

Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater
BRK25H67_060

Germany - Wastewater treatment in a sewage treatme...

Germany - Wastewater treatment in a sewage treatment plant, clarifier with brown wastewater
BRK25H77_223

Germany - Wastewater treatment in a sewage treatme...

Dortmund, North Rhine-Westphalia, Germany - Sunny winter landscape in the Ruhr area, ice and snow
BRK25C64_056

Dortmund, North Rhine-Westphalia, Germany - Sunny ...

Dortmund, North Rhine-Westphalia, Germany - Sunny winter landscape in the Ruhr area, ice and snow
BRK25C90_378

Dortmund, North Rhine-Westphalia, Germany - Sunny ...