Two years after Lucy's discovery, at Laetoli in Tanzania Mary Leakey found footprints left by two individuals from-it is thought-the same family of hominids.

在发现露西后两年，在坦桑尼亚的莱托里，玛丽·利基发现了被认为是来自同一家族的两个人科动物的一串脚印。