\line{
  \hfil
  \picture{img/2019-12-13-3.jpg}{An antlion in the inter-trial holding containers with native sand}{3.5in}
  \hfil
  \picture{img/overhead-fake-pits.jpg}{An image depicting the distribution of fake pits along the $24\times24$ trial, showing the 12 fake pits. }{3.5in}
  \hfil
  \picture{img/Overhead-with-obstacle.jpg}{An image depicting the $12\times12$ trial with the introduction of an obstacle, showing how the $24\times24$ trials and $12\times12$ trials were separated.
}{3.5in}
}