Hunters and trappers can eke out a living in the frozen tundra, but cities are difficult to maintain here because natural resources are limited and <l:8,0>farming<e> is impossible until the developement of <l:4,108>Mezotech<e>. <l:8,19>Roads<e> are difficult and expensive to build and the dense firmament and horrible weather causes <l:8,4>mining<e> to be costly. <l:6,25>Rivers<e> greatly enhance this terrain.