A Viking ship has set sail for Dublin from the Danish port of Roskilde, in an attempt to recreate the voyages undertaken by early Norsemen.
The 30m (100ft) long replica, called Sea Stallion, is said to be the world's largest reconstructed Viking vessel.
It is based on a ship made nearly 1,000 years ago in Ireland, which in 1962 was excavated from the Roskilde fjord.
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