pretty girl on path with railing in lime stone binsari cave on biak island

cave danger dangerous dark darkness geologic geological geology indonesia lime limestone mineral minerals papua rock stalactite stalactites stone underground biak island goa city travel traveling concept hideout big binsari used japanese soldiers world war two history wwii historic historical hole military army jungle forest tree trees path visitors deep railing ime grey yellow railings sign pretty girl papuan young woman white t-shirt writing love manokwari beauty beautiful nice stand standing indonesian tripod camera indonesia concept