Kirk Johnson

Ice Age Death Trap

2012 Ffilmiau

Polar Extremes

2020 Ffilmiau

Hvor træerne blokerer for lyset

2020 Ffilmiau

Prehistoric Worlds

2020 Ffilmiau

24 Hours After: Asteroid Impact

2009 Ffilmiau

NOVA

1974 Sioeau teledu

Great Yellowstone Thaw

2017 Sioeau teledu

Polar Extremes

2020 Sioeau teledu