Thessaloniki Metro
... that construction on the Thessaloniki Metro triggered the largest-ever archaeological dig in northern Greece, unearthing more than 300,000 individual artefacts?
... that construction on the <b id="mwBKc"><a href="./Thessaloniki_Metro" id="mwBKg" rel="mw:WikiLink" title="Thessaloniki Metro">Thessaloniki Metro</a></b> triggered the largest-ever <a class="mw-redirect" href="./Excavation_(archaeology)" id="mwBKk" rel="mw:WikiLink" title="Excavation (archaeology)">archaeological dig</a> in northern Greece, unearthing more than 300,000 individual artefacts?