School children participate in various activities during the celebration of 70 years of sevice by UNICEF India, in New Delhi.

Sofia Carson attends the 15th annual UNICEF Snowflake Ball at The Atrium in New York.

Priyanka Chopra attends the 15th annual UNICEF Snowflake Ball at The Atrium in New York.

The ancient Parthenon temple atop the Acropolis hill is lit blue during a rehearsal, in Athens. The Acropolis will be lit blue on Wednesday, Nov. 20, for UNICEF's World Children's ...

UNICEF representative in India Yasim Ali Haq, left, listens to UNICEF Goodwill Ambassador and former Indian cricketer Sachin Tendulkar at an event to mark World Children's Day in N...

UNICEF Goodwill Ambassador and former Indian cricketer Sachin Tendulkar plays during a friendly football match with children from the Special Olympics on World Children's Day in Ne...

Priyanka Chopra, Bollywood actor and UNICEF Goodwill Ambassador, speaks during an interview with The Associated Press in Dhaka, Bangladesh.

Bollywood actor Priyanka Chopra speaks on the importance of child education in rural India during a UNICEF forum event in New Delhi.

Former child soldiers stand in line waiting to be registered with UNICEF to receive a release package, in Yambio, South Sudan. More than 300 child soldiers were released by armed g...

South Indian actress Trisha Krishnan after being conferred with the UNICEF celebrity advocate status at a function in Chennai.

Sachin Tendulkar plays a game with Special Olympics children during a UNICEF event in New Delhi.

Sachin Tendulkar, Goodwill Ambassador for UNICEF South Asia, gives tips to an adolescent cricketer during a friendly match on World Children's Day, in New Delhi.

Sachin Tendulkar, Goodwill Ambassador for UNICEF South Asia, hugs an adolescent cricketer before the start of a friendly match on World Children's Day, in New Delhi.

Sachin Tendulkar, Goodwill Ambassador for UNICEF South Asia, Justin Forsyth (L), Deputy Executive Director, UNICEF, Kartikay Saini (R), Chairman Special Olympics and adolescents wh...