october 2018, fakilli cave, duzce. turkey.

2018 akcakoca alanya ancient antique attraction avanos background beauty cappadocia cave cavern caves city danger derinkuyu destination dim doga duzce ekim fakilli fantasy fisheye geological geology grotto harikasi history inside interior light magara magarasi mineral natural nature nobody object october old outdoors panorama reflection rock rocky scene stalactite stone summer texture tourism tourist town travel turkey turkiye underground view water