# nightingale floor

> floors that make a chirping sound when walked upon

**Wikidata**: [Q1471563](https://www.wikidata.org/wiki/Q1471563)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Nightingale_floor)  
**Source**: https://4ort.xyz/entity/nightingale-floor


## References

1. Freebase Data Dumps. 2013