trains, planes, automobiles, all at the mercy of storms across the continent. fred pleitgen live in germany. we ve seen the pictures. how bad is it, fred? reporter: it s really bad, kyra. so there s a lot of people having a white christmas inside an airport terminal, especially if you re stuck in london right now. heathrow is really bad at this point in time. there are people who have been stuck inside the terminal building, stranded there since saturday. right now about 1/3 of flights out of heathrow are actually leaving. so there are a lot of people, a lot of americans stranded there, as well. that is usually the airport americans use if they want to make the hop to asia. frankfurt is sort of picking up again, however, it was closed for several hours throughout the night because of heavy snowfall. it is a massive snow band that s going across europe, disrupting traffic, both on the ground and in the air, of course, as well. airports in france, belgium, germany, and england, of cour