These are tourists visiting Trolltunga Rock, which in English would be something like "The Troll's Tongue". The site lies in the western part of Norway. This summer around 150,000 tourists are expected to visit this spectacular mountain.
Source: https://subscription.economist.com/DA/PPC/ALLALLRDCD/ALL?gclid=COOntqCD3tQCFc3KsgodH_0OPA