Patomskiy crater
... that Patomskiy crater, in Siberia gained the notice of Russian ufologists after a 2010 scientific expedition?
... that <b id="mwBhU"><a href="./Patomskiy_crater" id="mwBhY" rel="mw:WikiLink" title="Patomskiy crater">Patomskiy crater</a></b>, in Siberia gained the notice of Russian ufologists after a 2010 scientific expedition?