The Welsh town of Aberystwyth saw some large waves at high tide this morning, but was spared the dramatic scenes of the last few months when sand and pebbles spilled over the promenade and pelted the waterfront homes.
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Mr Kim has made two recent visits to China.
The study looked at the development of 422 children over the course of eight years.
The president said they will come into force if China refuses to change its practices.