Lebamba
... that 2 kilometres (1.2 mi) from Lebamba in southwestern Gabon are "massive underground cave networks", known as the Bongolo or Malibé Caves?
... that <span about="#mwt31" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"2"},"2":{"wt":"km"},"3":{"wt":"mi"}},"i":0}}]}' id="mwCQQ" typeof="mw:Transclusion">2 kilometres (1.2</span><span about="#mwt31" typeof="mw:Entity"> </span><span about="#mwt31">mi)</span> from <b id="mwCQU"><a class="mw-redirect" href="./Lebamba" id="mwCQY" rel="mw:WikiLink" title="Lebamba">Lebamba</a></b> in southwestern <a href="./Gabon" id="mwCQc" rel="mw:WikiLink" title="Gabon">Gabon</a> are "massive underground cave networks", known as the Bongolo or Malibé Caves?