# Ubsunur Hollow Biosphere Reserve

> Biosphere reserve in Mongolia and Russia | designated in 1997

**Wikidata**: [Q1997495](https://www.wikidata.org/wiki/Q1997495)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ubsunur_Hollow_Biosphere_Reserve)  
**Source**: https://4ort.xyz/entity/ubsunur-hollow-biosphere-reserve


## References

1. [Source](http://www.unesco.org/mabdb/br/brdir/directory/biores.asp?code=RUS+17&mode=all)
2. [Source](http://www.unesco.org/mabdb/br/brdir/directory/biores.asp?code=MON+03&mode=all)
3. Freebase Data Dumps. 2013
4. Unified State Register of Legal Entities