Tag 'roof:material = glass'

Value histogram for key 'building'

• 64: roof
• 7: yes
• 7: greenhouse
• 5: train_station
• 3: commercial
• 2: university
• 1: civic
• 1: retail
• 1: transportation
• 1: industrial
• 1: school
• 1: service
• 1: bridge
• 1: apartments