Cave, 洞穴

Cave of fire and ice
Sigurdur William Brynjarsson stands in the mouth of an ice cave as Icelands Vatnajökull glacier is bathed in an orange glow. (Photo: Sigurdur William Brynjarsson/Caters News)

Iceland’s Vatnajökull glacier bathed in an orange glow. (Photo: Sigurdur William Brynjarsson/Caters News)
Cave of fire and ice
https://www.yahoo.com/news/cave-fire-ice-slideshow-wp-150034825.html