1 00:00:27,890 --> 00:00:30,800 In the coldest regions of North America, 2 00:00:30,980 --> 00:00:33,610 drivers traverse man-made roads over frozen rivers 3 00:00:33,770 --> 00:00:36,230 lakes and oceans of ice less than 30 4 00:00:36,390 --> 00:00:38,800 inches thick in 65,000 lb. Vehicles. 5 00:00:39,930 --> 00:00:42,050 These treks are dangerous and often fatal some 6 00:00:42,230 --> 00:00:44,150 drivers describe them as suicide missions. 7 00:00:44,430 --> 00:00:49,430 These are the so-called "ice roads" 8 00:01:55,180 --> 00:01:56,580 Katka diamond mine northern manitoba 9 00:01:56,730 --> 00:01:59,940 56° n. 98° w. 432 miles bellow arctic cirle 10 00:04:56,480 --> 00:05:00,060 Pembina, north Dakota 11 01:41:30,100 --> 01:41:33,970 Three months later