A fortochka is a small ventilation window. Fortochkas are in common use in Russia, other post-Soviet states, and Finland. A fortochka can be used for ventilation during cold winters, when opening a whole window would be impractical for heat conservation purposes. 𝗜𝗳 𝘆𝗼𝘂 𝗹𝗶𝗸𝗲 𝗶𝘁 𝘁𝗵𝗲𝗻 𝘀𝗵𝗮𝗿𝗲 𝗶𝘁. @Didyoureallyknow 620 viewsedited 05:11
