Moscow MTRZ-6223 trolley in advertisement livery. The livery is advertising Moscow as a candidate to be a host city for the Olympic Summer Games in 2012. It was put on some Moscow rolling stock because of the International Olympic Committee Evalution Comission visiting Moscow this week. The trolley follows Semenovsky Val street (route '25'). 2005 mar 15. Stanislav Glinsky. electrostas@rambler.ru