Complex sentence: Many people sought refuge in the rain forest of La Vang, and many became very ill. They were praying when a lady appeared, wearing the traditional Vietnamese "áo dài" dress and holding a child in her arms, with two angels beside her.
Split into simpler sentences: Many people sought refuge in the rain forest of La Vang. Many got very ill. They were praying when a lady appeared, wearing the traditional Vietnamese "áo dài" dress and holding a child in her arms, with two angels beside her.