inkaya cave in yelki, guzelbahce. colorful cave entrance with natural daylight

adventure ancient attraction background blue brown cave cavern caves caving colorful dark daylight deep entrance explore formation gallery geological geology green guzelbahce inkaya inside izmir karst landscape light limestone mineral mountain national natural nature old pattern rock roman seferihisar speleology stalactite stalactites stalagmite stalagmites stone texture tourism travel tunnel underground wall yelki yellow