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In page Economy of Vietnam:

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In 2012, Vietnam received 6.8 million international visitors and the number is expected to reach over 7 million in 2013. Vietnam keeps emerging as an attractive destination. In TripAdvisor's list of top 25 destinations Asia 2013 by travelers' choice, there are four cities of Vietnam, namely Hanoi, Ho Chi Minh City, Hoi An and Ha Long.[citation needed]