A youth lay in a bath of tomato juice during the "Tomatina" Tomato Fight in the town of Bunol, near Valencia, eastern Spain. Tens of thousands of people took off their shorts and threw tons of juicy tomatoes at each other in the Tomatina food fight, creating knee-deep rivers of tomato sauce   on the streets of this Spanish town. Five trucks carried 130 tons of the fruit for the hour-long fight which attracted foreign tourists. Among them are British, French, Argentineans and Japanese, as well as locals. On the bell of noon the signal was given and for the next 60 minutes participants   _ tomatoes at each other until a gunshot signalled the end of the festival. The clean-up followed, with fighters washing the signs of battle away in the local river or under hundreds of temporary   showers. While the front of buildings were watered, they seemed brighter than ever after their bath. The Tomatina, held on the last Wednesday in August, is said to be the world's largest tomato fight. In the past people have been hurt during the tomato fight but no one was killed or injured this year. The origin   of the festival is unknown, but everyone in Bunol seems to have a favorite story. However, most agree it started around 1940. According to the passage, we can learn that   _  .
participants can have a good rest after the fight ends the festival came from a favorite story only adults are permitted to attend the festival no one was hurt in this year's tomato fight