Has the coldest temperatures and the worst climate of the russian federation.

The East Siberian Uplands have the coldest temperatures and the worst climate of the Russian Federation. It has a very severe climate, being open to the Arctic and Siberian Seas, abundant in ice fields, making the landscape almost uninhabitable. 

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.