There’s snow on the ground, and shepherds Carole and Pascal are heading through French-speaking Switzerland with three donkeys, four dogs, and 800 sheep for the seasonal migration known as "transhumance." Their trip and this occasion form the true story of nature, culture, society, and humanity.here’s snow on the ground, and shepherds Carole and Pascal are heading through French-speaking Switzerland with three donkeys, four dogs, and 800 sheep for the seasonal migration known as "transhumance." Their trip and this occasion form the true story of nature, culture, society, and humanity.