More from The National:
Sunday's best photos: from Pope Francis on Palm Sunday to heavy snow in California
Saturday's best photos: from wildfires in Spain to F1 racing in Australia
Friday's best photos: from an Indonesian volcano to Gwyneth Paltrow
Thursday's best photos: from Christ the Redeemer to a Kansas City sunset
Wednesday's best photos: from a black hole to a mammoth meatball
Tuesday's best photos: from a T-rex skeleton in Switzerland to Messi's statue in Paraguay