Atmospheric ambiance on the Gornergrat. In the foreground, the dome of the Kulm Hotel, where the Stellarium is located, and in the background, the Matterhorn. Picture: Timm-Emanuel Riesen

Atmospheric ambiance on the Gornergrat. In the foreground, the dome of the Kulm Hotel, where the Stellarium is located, and in the background, the Matterhorn. Picture: Timm-Emanuel Riesen