Pedzisa mutsara unotevera: Muna 1860, pashure pokunge Felice Beato aenda kuChina kunotora mifananidzo
Hondo yechipiri yeOpium naAntonio Beato vakaenda kuEgipita, Robertson kwenguva pfupi vakabatana naCharles Shepherd kudzokera kuConstantinople. Kambani yaRobertson &amp; Beato yakaparara muna 1867, yakanga yagadzira mifananidzo - kusanganisira mifananidzo inoshamisa yakawanda-yekudhinda - yeMalta, Greece, Turkey, Damascus, Jerusarema, Egypt, Crimea neIndia. Robertson angangodaro akasiya kutora mifananidzo muma1860s; akadzokera kunoshanda semupendi paImperial Ottoman Mint kusvika pamudyandigere muna 1881. Mugore iroro akaenda kuYokohama, Japan, achisvika muna January 1882. Akafira ikoko muna April 1888.