ongoing diplomatic issues
... that Indonesia and Papua New Guinea share a 760-kilometre (470 mi) border that has raised tensions and ongoing diplomatic issues over many decades?
... that <a href="./Indonesia" id="mwCCE" rel="mw:WikiLink" title="Indonesia">Indonesia</a> and <a href="./Papua_New_Guinea" id="mwCCI" rel="mw:WikiLink" title="Papua New Guinea">Papua New Guinea</a> share a <span about="#mwt25" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"760"},"2":{"wt":"km"},"3":{"wt":"mi"},"adj":{"wt":"on"}},"i":0}}]}' id="mwCCM" typeof="mw:Transclusion">760-kilometre (470</span><span about="#mwt25" typeof="mw:Entity"> </span><span about="#mwt25">mi)</span> border that has raised tensions and <b id="mwCCQ"><a href="./Indonesia–Papua_New_Guinea_relations" id="mwCCU" rel="mw:WikiLink" title="Indonesia–Papua New Guinea relations">ongoing diplomatic issues</a></b> over many decades?