Same structure as in T273433:
- Commons cat (eg https://commons.wikimedia.org/wiki/Category:Wiki_Loves_Earth_2019_in_Sweden)
- instance of -> recurrent event edition
- part of -> Wiki loves earth XXXX (year)
- country -> sweden
- part of series -> wiki loves earth in Sweden (Q106201531)
- series ordinal
- follows (previous item)
- followed by (next item)
- start time -- https://commons.wikimedia.org/wiki/Module:WL_data
- end time
- organized by -> wmse