\line{
  \hfil
  \picture{img/2019-12-13-2.jpg}{An antlion being pulled out of the enclosure}{5in}
  \hfil
  \picture{img/final-settlement-fake-pits.jpg}{An image depicting the final settlement patterns of the antlions during the $24\times24$ trial with fake pits, showing how the antlions tended to avoid the fake pits across this trial.  }{5in}
  \hfil
}