sepia tone of a logboat harbored at the beach covered by big rock in toba lake, north sumatra, indonesia

ago batak bataknese beach big boat buhit caldera canoes covered danau danautoba fisher fisherman fishermen freshwater geopark harbored have indonesia island kawasan kawasandanautoba lake local log logboat made north otorita pangururan pusuk rock samosir sepia single sumatera sumatra supervolcano tapanuli toba tone trees used years