In Nairobi's traffic-clogged maelstrom, Catholic sisters go quietly about their calling, helping the dying, supporting the destitute, educating the impoverished and healing the sick.
It would be easy for them to be invisible, some 3,000 women among 3.3 million people sprawling across a highlands plateau in eastern Africa. If not for their grit. If not for their faith.
"I strike the match I was given," said Sr. Agnes Wamuyu Ngure, "and it starts a fire that I don't feel I control.''