The last in our series reminiscing about past @iaaf_athletics world championships—this time, it’s #london2017 : All photos © 2017, Paul Merca. All worldwide rights reserved. : #nikonsports #nikonsportsphotographer #nikonsportsphotography #paulmerca #nikond5 #nikond750 @usatf @uwtrack #countdowntodoha2019 @justyna.swiety.ersetic @samkendricks @hastyhastings