landscape at sunset with dolmen, d54, in the province of drenthe, the netherlands with a background of oak trees and a beautiful

age air ancient archaeological archeology blue bolders boulders burial capstone chamber clouds covered culture d54 dolmen drenthe dutch funnelbeaker granite grave heritage historical history hunebed ice input keys landmark landscape megalith megalithic nature netherlands nice oaks old orange originally people prehistoric prehistory protected purple rock room sand site sky stone sun sunset times tourism travel trees with