woman trying to build a pyramid from different pieces tricky play for the intelligence in the museum Mathematikum Giessen

- Image ID: AKRNTE
woman trying to build a pyramid from different pieces tricky play for the intelligence in the museum Mathematikum Giessen
superclic / Alamy Stock Photo
Image ID: AKRNTE
MR Frau von mittlerem Alter versucht aus verschiedenen Teilen mit Kugeln eine Pyramide zusammentzustellen im Hintergrund Fragezeichen kniffliges Spiel für Intelligenz Problem im Museum Mathematikum in Gießen MR middle aged woman trying to build a pyramid from different pieces with globes tricky play for the intelligence problem in the museum Mathematikum in the town Giessen Gießen Germany Hesse question sign in the background