Interesting steel ball appeared in the entrance hall of the bank in Frankfurt, Germany. Front part, established between the two huge towers that are a landmark for miles away, got a new face thanks to the sculpture by the Italian architect Mario Bellini. The entire building has undergone extensive Deutsche Bank renovations at which buildings were to have the latest technology to ensure its sustainability and nízkoenergetičnost. The new entrance area with a glass roof has become the most important element in the transformation of a large sealed
