As far as cold walls go, you can't get much colder than the infamous Trollveggen in Norway's Romsdal Valley. The 1100m high peak - famed as Europe's biggest vertical rock face and also known as the ...

This represents an almost 10% rise from its prior peak of 38.8 bcm ... Exploration & Production Norway, emphasized the importance of this milestone, noting that the Troll field continues to ...