sentences:  Thousands of teenagers across the U.S., Canada, and several other countries (including Hong Kong, Taiwan, Malaysia, UK, Singapore and Australia and New Zealand) participate to raise money and then fast for 30 hours.However, individuals can raise money and fast by themselves.During the event, for 30 hours, participants must abstain from eating food, and instead they typically drink water, fruit juices, or other liquids Games, fund raisers, and other events may also take place to help teach and educate the participants and others about world hunger all over the world.