It will be Europe's largest of its kind and will warm three thousand homes.
A huge bunker in the Nazi time of World War II, which was in Hamburg city, German, will be transformed into the largest solar power station in Europe.
The structure with a height of new floors, it is a concrete block, with walls over 4 feet thick.
During the war, served as a shelter to more than 30,000 people during the bombing and had anti-aircraft capable of firing 8,000 shells per minute.
Under the 'Daily Mail', the building is to be covered with solar panels that will provide heating to about three thousand homes. There are plans to install an on-site museum, a cafe terrace on the roof.
