Aerial drone top down shot over dam under construction beside Hotel Grimsel Hospiz along Grimsel Pass, Swiss Mountain in Switzerland on a sunny day

aerial drone shot overview hotel slope hospiz winding road hotel grimsel hospiz switzerland dam mountain range range mountain green vegetation building water travel nature vacation europe rock lake alps reservoir hydroelectric valley outdoors mountain pass swiss grimselsee foothills artificial lake rocky slope mountains tourist destination grimsel roads water reservoir top down shot birds eye view red crane crane under construction constructing sunny day grimsel pass swiss mountain over daytime