MAINLAND CHINA—In a half century ago, the great Chinese people once used “Tunnel warfare, mine warfare and guerrilla warfare” and so on powerfully attacked the invaders. Now, although more than half centuries have passed by, Chinese Christians use these traditional but effective ways to learn God’s word because of public persecutions.

The below photos vividly portray how Chinese Christians get together to pray in the tunnel, the cave, the jungle and the wilderness.