© Licensed to London News Pictures. 19/08/2018. LONDON, UK.  A parkour practitioner takes part in the Rendezvous International Parkour Gathering XIII 2018 at Wembley Park.  The three day training event, organised by Parkour Generations, brings some of the world's best parkour and free running teachers to the UK to lead a series of workshops for parkour enthusiasts.  Photo credit: Stephen Chung/LNP