HYPER TOWN graffiti jam 2018
Last weekend 25-26 may 2018 Latvia held an Urban culture's festival in Riga. They also had a quite nice graffiti jam with a 32 meters wide wall. 8 local artists ( Kostya,BRIX23,ASTE,Крыс,Holis,RenarsCaune,HAWK,VOUR ) entertained visitors of the event by making their individual art pieces that eventually combined in one.
https://hypertown.pro/en