Wolter globe wall with large centrifugal fans

Photo: Mariusz Młynarczyk / CloudAir.tech

Wolter's back wall shows a green globe with project pins and the line "The Black Forest is our home. The world our habitat." Large white centrifugal fans with green impellers, labelled "TNQD / HNQD", stand on the right, while a meeting takes place at a glass table in front of the giant fan blade graphic.