"C'est l'étang de Mulhouse Plage et non le Seeboder"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2023-09-20T00:34:57Z
POI name: Étang du Seeboder
POI types: natural-water-pond
#organicmaps android

"Holenstein"
OSM snapshot date: 2024-08-10T16:22:45Z
POI name: Grindelwald Läger (Sesselbahn)
POI types: aerialway-station
#organicmaps android

"Étang de Mulhouse Plage"
POI has no name
POI types: natural-water
OSM data version: 2020-06-07T12:42:57Z
#mapsme

Ligne 21 (aéroport) (OSM data version: 2016-10-10T15:13:03Z) #mapsme

"Avenue de Louvois"
POI has no name
POI types: hwtag-nocar highway-unclassified
OSM data version: 2019-09-09T23:32:17Z
#mapsme

Ligne 21 à destination de l'aéroport (OSM data version: 2016-09-19T14:38:03Z) #mapsme

C'est l'arrêt de bus 951 (OSM data version: 2016-09-19T14:38:03Z) #mapsme