commuters, 4 channel slide installation, (single slide) commuters, 4 channel slide installation commuters, 4 channel slide installation commuters, four channel slide installation commuters, 4 channel slide installation, detail commuters, 4 channel slide installation commuters, 4 channel slide installation, detail commuters, 4 channel slide installation commuters, 4 channel slide installation Dagmar Keller / Martin Wittwer commuters 4 channel slide installation with 8 carousel projectors (342 slides) and control unit, Moscow, 2014/ 2016