Last yea, Pete Shannon , a computer-science student Lin Great Britain,won a contest that was run by the Internet travel company Expedia.co.uk. Mr.Shannon beat 1,000 other entrants to win the contest.Each entrant had to describe the most important criteria of the perfact beach. According to Mr.Shannon, the perfact beach had to be clean, have good waves, have a light breez, and not be too crowded.