<prompt> Celeste Poltera dә bikke bobbe lardә Switzerlandbe dәwo suro dareram saa 1980s yen kәnasartәgәna. Shiye kungәna diyau dәa fәtәgәna suro FIBT World Championships dәn, kuru kungәna zәrye fal dәn Kuruwa indi: 1987  <response>: , silver fal Two-man: 1986, kuru bronze indi Four-man: 1986, 1987. 