# La Mancha Negra

> unidentified substance in Caracas, Venezuela

**Wikidata**: [Q23808145](https://www.wikidata.org/wiki/Q23808145)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/La_Mancha_Negra)  
**Source**: https://4ort.xyz/entity/la-mancha-negra