This place does not exist:
"closed, no sign"
A CoMaps user reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2026-03-21T17:13:14Z
POI name: Blue Avantgarde
POI types: fee-no tourism-gallery
 #CoMaps android 2026.04.07-8-Google