old stone grave like a big dolmen in drenthe holland. it is called in dutch a hunebed

ancient archaeological archeology blocks boulders celtic chamber culture dolmen drenthe dutch europe fields granite grave historic historical holland hunebed landmark megalithic nature netherlands old prehistoric prehistory rock rural site stone stoneage tomb tourism touristic travel aged diever havelte history huns klokbekervolk mythical prehistorically like big holland called type single-chamber consisting two vertical megaliths supporting large flat horizontal capstone table