
Nuns from the Missionaries of Charity, the order founded by Mother Teresa, sing "Happy Birthday" beside her tomb during a special mass in celebration of her birth anniversary in Calcutta, India, Wednesday, Aug. 26, 2009.
©Reuters Pictures

A woman prays at the tomb of Mother Teresa on the occasion of Teresa's 99th birth anniversary in the eastern Indian city of Kolkata August 26, 2009.
©Reuters Pictures

Sister Mary Prema, Superior General of the Missionaries of Charity, the order founded by Mother Teresa, lights a candle on Mother Teresa's tomb during a special mass in celebration of her birthday in Calcutta, India, Wednesday, Aug. 26, 2009
©
AP Photo

Sisters from the Missionaries of Charity, the order founded by Mother Teresa, pray at a special mass in celebration of her birthday in Calcutta, India, Wednesday, Aug. 26, 2009.
©
AP Photo

Sister from the Missionaries of Charity carries a candle for the offertory procession during the solemn mass on the on the occasion of Teresa's 99th birth anniversary August, 26 2009.
©Reuters Pictures

During the prayer meeting on the occasion of Teresa's 99th birth anniversary in of Kolkata August 26, 2009.
©Reuters Pictures
Mother Teresa Center