Primesight [1] are using digital 6-sheets cross track on the Glasgow Subway in order that they fit in with the existing-sized inventory (shown either side of the digital medium in the photo below).
[2]
Primesight [1] are using digital 6-sheets cross track on the Glasgow Subway in order that they fit in with the existing-sized inventory (shown either side of the digital medium in the photo below).
[2]