National Geographic : 1972 Apr
Hitched head to tail and tail to head, camels "cool out" before they are allowed to lie down. The position prevents them from col lapsing on the frozen soil and catch ing cold while still overheated. Skirting danger, the caravan slowly crosses the frozen Wakhan River (below). Here, where a horse crashed through and drowned the previous year, men cautiously dis mount to guide their heavily laden camels. "Often I heard the crust crack," recalls Sabrina. "All I could do was hold my breath and pray."