Surveyors marking out alignments on the ground using a groma, road building project, drawing. Roman civilisation.古羅馬
The Pierre des douze Apotres / Breitenstein, a carved menhir at Wingen-sur-Moder, Vosges, Alsace, France.
Megalithic Grand Dolmen de Weris and menhir made of conglomerate rock, Belgian Ardennes, Luxembourg, Belgium.
Megalithic Grand Dolmen de Weris and menhir made of conglomerate rock, Belgian Ardennes, Luxembourg, Belgium.
Megalithic Grand Dolmen de Weris and menhir made of conglomerate rock, Belgian Ardennes, Luxembourg, Belgium.
This picture taken on March 11, 2016 shows a worker checking alignments in a tunnel under construction along the current extension of the...
This picture taken on March 11, 2016 shows workers checking alignments in a tunnel under construction along the current extension of the Metropolitan...