# Doors Open Days

> free access to buildings

**Wikidata**: [Q3187076](https://www.wikidata.org/wiki/Q3187076)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Doors_Open_Days)  
**Source**: https://4ort.xyz/entity/doors-open-days


## References

1. Freebase Data Dumps. 2013
2. KBpedia