GLASGOW, SCOTLAND - JUNE 14: Norman Barrett, Britains oldest ring master from Zippos circus during rehearsals in the big top on June 14, 2016 in Glasgow, Scotland. The circus is marking its 30th year on the road with a lineup of artists including acrobats, The Timbuktu Tumblers from Kenya, an Italian clown and Boris Borissov and his troupe who have featured in major circuses all over the world. (Photo by Jeff J Mitchell/Getty Images)
