# Perpétuo Defensive Fort
**Wikidata**: [Q36240487](https://www.wikidata.org/wiki/Q36240487)  
**Source**: https://4ort.xyz/entity/perp-tuo-defensive-fort


## References

1. [Source](https://hpip.org/pt/Heritage/Details/1290)
2. [Source](http://www.infopatrimonio.org/?p=20701)