Layers & filters
Legend
- Mahāyāna
- Śrāvakayāna
- Mahāyāna & Śrāvakayāna together
- Vajrayāna ring (derived)
- non-Buddhist
- unknown (as recorded)
- Reported, not visited (hearsay)
- Wide halo = uncertain location
- Size = monks recorded (phrases like “several thousand” shown at representative size)