Follow my snowboard, ski, rollerski and skike instructor page where i published the photos - www.facebook.com/manchasnowboard WHAT A NIGHT in the portuguese mountains of Serra da Estrela !!!!!!! In the first video i still had the gopro inside the case - even so, it has that loud sound - count the seconds and calculate the distance where the lightning bolt reached the ground Slow motion lightning bolts (no sound) and then again... some 'thunder bass' - now, with the gopro outside the waterproof case.