The shot of dark clouds in the first trailer (at 01:20) and the snowed mountain range (at 02:00) look like they could be TG2. The shot of the lake just after that of the mountains (at 02:05) actually looks like a render I've seen around these forums somewhere (though I can't remember where).
In the second trailer, the first few shots of the mountain range (at 00:09) and the moorland (at 00:15) look like TG2. The shot of the mountain at 01:15 actually looks more like TG 0.9...