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Koelnmesse starts operating Cologne's largest inner-city photovoltaic system: Henriette Reker, Mayor of Cologne; Gerald Böse, CEO of Koelnmesse GmbH
Koelnmesse starts operating Cologne's largest inner-city photovoltaic system: Henriette Reker, Mayor of Cologne; Gerald Böse, CEO of Koelnmesse GmbH
Koelnmesse starts operating Cologne's largest inner-city photovoltaic system: Henriette Reker, Mayor of Cologne; Gerald Böse, CEO of Koelnmesse GmbH
Koelnmesse starts operating Cologne's largest inner-city photovoltaic system: Henriette Reker, Mayor of Cologne; Gerald Böse, CEO of Koelnmesse GmbH
Cologne's largest inner-city photovoltaic system is located on the roof of hall 1
Cologne's largest inner-city photovoltaic system is located on the roof of hall 1
Cologne's largest inner-city photovoltaic system is located on the roof of hall 1
The new Confex conference centre
The new Confex conference centre
The new Confex conference centre
Koelnmesse Entrance South
Koelnmesse Entrance South

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