TOPSHOT - The skeletons two Jurassic age (161-145 million years) dinosaurs, a Diplodocus (back) and an Allosaurus (front) are displayed on April 6, 2018, before being auctioned on April 11 at the Drouot auction house in Paris. / AFP PHOTO / STEPHANE DE SAKUTIN        (Photo credit should read STEPHANE DE SAKUTIN/AFP via Getty Images)