three perfectly-preserved child mummies
... that in 1999 three perfectly-preserved child mummies were found on the summit of Llullaillaco, a 6,700 m (22,000 ft) volcano, where they had been sacrificed under the Inca Empire 500 years earlier?
... that in 1999 <b id="mwATw"><a href="./Children_of_Llullaillaco" id="mwAT0" rel="mw:WikiLink" title="Children of Llullaillaco">three perfectly-preserved child mummies</a></b> were found on the summit of <a href="./Llullaillaco" id="mwAT4" rel="mw:WikiLink" title="Llullaillaco">Llullaillaco</a>, a 6,700 m (22,000<span id="mwAT8" typeof="mw:Entity"> </span>ft) volcano, where they had been sacrificed under the <a href="./Inca_Empire" id="mwAUA" rel="mw:WikiLink" title="Inca Empire">Inca Empire</a> 500 years earlier?