In 1978, Soviet geologists prospecting in the wilds of Siberia discovered a family of six, lost in the taiga.
The Lykovs lived in this hand-built log cabin, lit by a single window “the size of a backpack pocket” and warmed by a smoky wood-fired stove.
The whole article well worth the read:
https://www.smithsonianmag.com/history/for-40-years-this-russian-family-was-cut-off-from-all-human-contact-unaware-of-world-war-ii-7354256/