The walls, spattered in chocolate-, peanut butter-, cherry-, and butterscotch-colored drippings, look so ... into lava caves out of respect for what they might encounter inside.

it's dark inside. Everybody who has ever photographed it has encountered the same effect. You want to photograph the depths of the cave but the farther back you look into the black basalt ...

Residents take shelter in a similar cave near Hama in this photo from 2012. The civil war has been raging in Syria for almost five years. A displaced girl poses inside an underground cave in the ...