A volcanic crater lake glowing emerald green atop a active peak in the Barisan Mountains

• body of water
• cloud
• element
• emerald
• energy source
• fuel
• geothermal feature
• green
• hydrothermal vent
• lake
• morning
• mountain
• peak
• rock
• sky
• source
• steam
• sulfur
• texture
• volcanic peak
• water
• weather
• white
• yellow

Browse the gallery · About AIGallery