Completar frases YakutskVersión en línea Reading Comprehension. por Carolina Portilla 1 temperatures particularly become coldest economic mining UNESCO complex capital lower world there Sakha spectacular population Yakutsk Yakutsk ( Russian : ? ? ? ? ? ? ; Yakut : ? ? ? ? ? ? ? ? ? ? ? , romanized : J ? okuuskay , pronounced [ ? oku ? skaj ] ) is the of , Russia , located about 450 km south of the Arctic Circle . Driven by the mining industry , Yakutsk has one of the fastest growing regional cities in Russia , with a of 355 , 443 at the 2021 census [ 9 ] . Yakutsk has an average annual temperature of - 8 . 0 °C ( 17 . 6 °F ) , [ 10 ] winter maximum consistently well below - 20 °C ( - 4 °F ) , and a record low of - 64 . 4 °C ( - 83 . 9 °F ) [ 11 ] As a result , Yakutsk is the major city in the ( although several smaller cities in that region are slightly colder ) . The primary activity stems from activities in the region , particularly coal , gold , and diamonds , with multiple mining companies having set up their headquarters in the city . [ 22 ] Precious stones and metals , diamonds , as well as coal , are Yakutsk's major exports . Tourism as an economic sector plays a small but growing role , thanks to the city's unique cultural heritage and natural attractions such as the Lena Pillars Nature Park , a World Heritage site , and the Permafrost Kingdom , which is a tourist dedicated to showcasing the unique features of the region's permafrost . With the Lena River navigable in the summer , are boat cruises offered , including upriver to the Lena Pillars , and downriver tours which visit scenery in the reaches and the Lena Delta .