 Nyora kuenderera kweiyi ndima - Piotrowski akadzokera kuBulgaria muna 1889: akashanyira Batak uye akapenda canvas yake ine mukurumbira The Batak MassacreMufananidzo wake uyu wakapiwa mubayiro paPlovdiv Fair muna 1892. Muna 1900 Piotrowski akadzokera kuPoland ndokugara muWarsaw. Muna 1905, akanga ari mutori wenhau dzehondo muManchuria. Vakafa muna 1924 muWarsaw. 