Longzi County in China's Tibet has been confirmed as the world's largest black highland barley planting base by the World Record Certification Agency (WRCA).
The county has a total area of 34.4 square kilometers dedicated to black highland barley cultivation.
Longzi black highland barley is a unique highland barley variety in Longzi County, which grows at an altitude of 3,800 meters to 4,200 meters.
