a museum in Sendai
... that a museum in Sendai was built around a 20,000-year-old campsite?
... that <b id="mwAlY"><a href="./Sendai_City_Tomizawa_Site_Museum" id="mwAlc" rel="mw:WikiLink" title="Sendai City Tomizawa Site Museum">a museum in Sendai</a></b> was built around a 20,000-year-old campsite?