the oldest known sinkhole in the region, 70 kilometers northeast of konya / turkey

beautiful borders cliff collapse colorful copy countryside crater deep district doline east environment erosion estimated forest geologic geology golu green hiking historic historical hole holiday karatay karst kilometers known konya lake landscape limestone located middle nature nobody northeast obruk old oldest outdoor palace park people photo popular pothole region rock several sink sinkhole space stated stone summer that thousand tourism tourist travel trip turkey underground vacation view water wilderness years