# Toynbee tiles

> messages of unknown origin found embedded in asphalt of streets

**Wikidata**: [Q2447023](https://www.wikidata.org/wiki/Q2447023)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Toynbee_tiles)  
**Source**: https://4ort.xyz/entity/toynbee-tiles


## References

1. Freebase Data Dumps. 2013