South Korea's tourism body fears a huge drop in visitors, as a diplomatic row with China starts to bite.
The Korea Tourism Organisation (KTO) predicted there could be 4.7 million fewer foreign tourists this year than in 2016 - a drop of about 27%.
China has banned travel agencies from selling package tours to Korea in protest at Seoul allowing a US missile defense system.
Visitors from China made up 46.8% of tourists in South Korea last year.
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