interior of a traditional gymnasium transformed into a climbing hall rectangular sports hall proportions blue sports floor with markings lower third of walls in raw exposed concrete upper walls with vertical wooden panels left wall large folding glass facade replacing part of the wall openable panels connecting to outdoor sports field daylight entering from the side right wall climbing wall integrated into the existing structure starting at two thirds of the height sculptural and slightly inclined geometry upper third remains as a continuous window band back wall central climbing volume growing out of the wall integrated into the architecture not attached with colorful climbing holds upper level visible walkway with railing and a door overlooking the hall contrast between existing gymnasium elements and new climbing intervention minimal and precise architectural transformation realistic no people
