Between 1869 and 1906, over 30,000 prisoners and political exiles suffered in brutal forced-labor camps on Sakhalin Island, a remote Russian penal colony off the country's southeast coast. Ivan Krasnov's photographs from this period capture the stark reality: convicts in chains, harsh prison conditions, indigenous Nivkh people, and Russian settlers struggling to survive in this isolated outpost. When writer Anton Chekhov visited in 1890 and documented the colony's horrors in his 1895 book *Sakha