Across Asia from South Korea to Indonesia, Buddhist devotees are celebrating Buddha's birthday.
Buddhism is 2,500 years old and there are 376 million followers worldwide.
There are more than 150,000 Buddhists in Britain.
Here a devotee spins a prayer wheel at a Tibetan temple in Malaysia.
Buddhism teaches that all life is interconnected, so caring about others is a very important part.
Buddhists scatter flower petals on a statue of Buddha in India, as part of the birthday celebrations.
These Buddhist monks in Katmandu are blowing ceremonial horns. Buddha was born nearby in Lumbini, Nepal.
Buddhism came about because of Siddhartha Gautama's quest for Enlightenment in around the 6th Century BC. This boy in Katmandu is receiving a blessing.
Buddhists don't believe in a personal god, and they believe that change is constant in life.
Here you can see a massive dragon float operated by the men standing inside, in Seoul in South Korea. Buddha was born around 2,500 years ago.
In South Korea, Buddhist devotees put up strings of lanterns in preparation for the birthday celebrations.
Buddhism is a very colourful faith with loads of festivals throughout the year. Here in South Korea women are taking part in a traditional dance using lanterns.
Buddhists can worship both at home or at a temple.