More from The National:
Wednesday's best photos: from migrant swimming lessons to Paris Olympic torch event
Tuesday's best photos: from Al Fursan over Giza to Sixth Avenue - in pictures
Monday's best photos: from beach fun in Turkey to football action in Melbourne
Sunday's best photos: from Greek wildfires to Brazil's Climate Clock
Saturday's best photos: from X Games in California to Paleo Festival in Switzerland
Friday's best photos: from a dog rescued from the slaughterhouse to Bolivia's salt flats
Thursday's best photos: from the Women's World Cup to sunset in Washington