BY JEFF RUSS SR. ART DIRECTOR GRAN FORMATO Adidas chose Madrid, the Spanish capital and futbol epicenter, to introduce its new line of athletic shoes - and they went big. Madrid-based sign company SANCA (sanca.es) handled the fabrication and installation of this 1,100-sq.-meter advertisement, which features prominent players Gareth Bale, Lionel Messi and Paul Pogba. 100 SIGNS OF THE TIMES JUNE 2017 PHOTO BY SANCAhttp://www.sanca.es