frozen, sur voviving in the colt city in america.ere, way below zero temperatures are a way of daily life. but instead of hunkering down, these people are owning it. how long is too young? tiger woods started when he was 2. anna kournikova was only 5. so is 7 years old too young to be fighting in a ring? meet the parents who say it's a good thing to be young and aggressiv aggressive. >> aren't you worried about him getting hurt? >> and our world as you've never seen it before. a dragon fly in slow mo, a water droplet, even lightning. tonight, we'll show you the mysteries of the unseen world. >>> good evening. as a swirling 1,000-mile-long snowstorm is clobbering much of america, grounding flights, shutting down schools and generally making people miserable, we thought it might be useful to visit the coldest town in this country where they believe there's no such thing as bad weather, only bad year. sub zero is a way of life, and these people fully embrace it. abc's juju chang got a survival lesson. >> reporter: in the coldest city in

frozen, sur voviving in the colt city in america.parents who say it's a good thing to be young and aggressiv aggressive. >> aren't you worried about him getting hurt? >> and our world as you've never seen it before. a dragon fly in slow mo, a water droplet, even lightning.