The world's biggest family. Family members of Ziona pose for a group photograph in Baktawng village in the northeastern Indian state of Mizoram, October 7, 2011. Ziona is the head of a religious sect called "Chana," which allows polygamy and was founded by his father Chana in 1942. Ziona has 39 wives, 94 children and 33 grandchildren. He lives in his 4 storey 100-room house with 181 members of his family. The world's population will reach seven billion on 31 October 2011, according to projections by the United Nations. Picture taken October 7, 2011. [Photo/Agencies]

Ziona, 67, takes a break at the construction site of a church in Baktawng village in the northeastern Indian state of Mizoram, October 5, 2011. [Photo/Agencies]