'Our Arts', joint exhibition of 14 modern Ukrainian artists, Ya gallery, 55/57 Voloska, till 29 August 'Our Arts' is a joint project from 14 of Ukraine's leading artists - Marina Skugareva (work pictured), Alexander Sukholit, Pavlo Makov, Vlada Ralko, Elena Blank, Igor Yanovich, Oleg Tistol, My…