(P2520)
English
UNESCO Biosphere Reserve URL
URL to the entry on the UNESCO biosphere reserve website
Data type
URL
Statements
0 references
0 references
0 references
(^https?://(?:www|en|fr|es)\.unesco\.org/.+)
0 references
Constraints
0 references
0 references
0 references
0 references
https?://(?:www|en|fr|es)\.unesco\.org/.+
0 references