Fehlerhafte Nutzung des Keys "opening". Bitte stattdessen "start_date" verwenden.

https://osm.org/way/87352032
https://osm.org/way/144216007
https://osm.org/way/263406054
https://osm.org/way/263406055
https://osm.org/way/263406056
https://osm.org/way/263406057
https://osm.org/way/487460068
https://osm.org/way/925354255