abandoned
absence
below
black
bomb shelter
brick
brown
cave
color image
colors
concrete
corridor
danger
dark
deciduous tree
dirt
entrance
entrance hall
footpath
forest
germany
grass
gray
green
greifswald
hole
horizontal
horror
image
leaf
medium shot
moss
no people
old
old ruin
rock
ruined
security
shadow
sheltering
spooky
stone
tree
two objects
war
weather shelter
world war ii
yellow