Barnenez Mound
...that the Barnenez Mound in Brittany, France, is a cairn with 11 chambers built of 13,000 to 14,000 tons of stone dating to about 4500 BC, making it one of the earliest megalithic monuments in Europe?
...that the <b id="mwBWw"><a href="./Barnenez" id="mwBW0" rel="mw:WikiLink" title="Barnenez">Barnenez Mound</a></b> <i id="mwBW4">(pictured)</i> in <a href="./Brittany" id="mwBW8" rel="mw:WikiLink" title="Brittany">Brittany</a>, <a href="./France" id="mwBXA" rel="mw:WikiLink" title="France">France</a>, is a <a href="./Cairn" id="mwBXE" rel="mw:WikiLink" title="Cairn">cairn</a> with 11 chambers built of 13,000 to 14,000 tons of stone dating to about 4500 BC, making it one of the earliest <a class="mw-redirect" href="./Megaliths" id="mwBXI" rel="mw:WikiLink" title="Megaliths">megalithic monuments</a> in Europe?