CALLING ALL CREATIVES @nike’s new campaign “OnAir”. Nike: ON AIR is your chance to create the next Nike Air concept for LONDON + we will be hosting a colour theory exhibition alongside so many creatives✨ Apply here: https://t.co/wQ9omYrkOV pic.twitter.com/R97htnkpKF — GUAP (@GUAPMAG) April 2, 2018 From March 22 to April 15, Nike will be…