Man touching the abandoned hospital wall in Sljeme, Croatia

dark tourism graffiti urbex people man touching wall urbex urban exploring ruin abandoned building urban explorer psychiatric hospital post apocalyptic world war 2 second world war world war abandoned sanatorium gun shots sljeme gun shot wholes brestovac building first world war decay historical landmark tuberculosis clinic wall historical zagreb forgotten croatia abandoned hospital exterior touching wholes architecture medical facility europe landmark hospital building touch sljieme hospital backpack middle aged person male man forest