“A lot of people come up from the city, travel long distances, ” Stiert says.

“很多人从城市来到这里，长途跋涉，”斯蒂尔特说。

As humans encroach on new habitats, farm more animals, gather in cities, travel and warm the planet, new diseases will become more common.

随着人类侵占新栖息地、饲养更多动物、聚集在城市、旅行并使地球变暖，新型疾病将更加普遍。

For 11 days this monster, bearing the shrink-wrapped boulder, crawled through four counties and 22 cities, travelling only at night and at walking speed, along bridges and roads that could hold the weight.

这个庞大的设施运着在收缩膜包装下的圆石，走了11天，穿过了4个国家和22座城市。它只能在夜间以步行的速度前进，且只能走可以承受其重量的桥梁和道路。