Followers of the Islam religion are called Muslims.
These Muslims are praying inside a mosque.
Muslims are called to prayer 5 times a day, beginning just before sunrise.
Christianity is based on the teachings of Jesus Christ who lived more than 2000 years ago.
Christians believe that Jesus is the son of God.
Christians often gather in churches or cathedrals to worship.
Followers of Judaism are called Jews.
These Jews are meeting inside a synagogue, which is a place of worship and study.
Judaism was founded over 3500 years ago, in the middle east.
Judaism is based on the teachings of Moses, who they believe is the most important prophet.
Buddism began in India and is based on the teachings of the Buddha.
The religion is about 2500 years old.
Some Buddhists practice a form of meditation in which they empty their minds of any thought.
Hinduism is the world's third most popular religion and is the main religion of India.
Hinduism has no founder and is a mixture of many beliefs.
Some Hindus believe in a cycle of birth, life, death and rebirth.