People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. The festival re-enacts past Viking raids in the area and is celebrated annually on the first Sunday in August. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed as Vikings sail on a boat during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed up as a Viking shouts during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed up as a Viking shouts during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A woman dressed as a Viking drinks local red wine during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

Men dressed up as Vikings shout during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man and a woman dressed up as a Vikings shout during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed as Vikings sail on a boat during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed as Vikings sail on a boat during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A participant dressed as a Viking blows a horn as he takes part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed as Vikings sail on a boat during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed as a Viking drinks local red wine during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

People dressed up as Vikings take part in the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed as a Viking drinks local red wine during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed up as a Viking shouts during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)

A man dressed up as a Viking shouts during the annual Viking festival of Catoira in north-western Spain August 2, 2015. (Photo by Miguel Vidal/Reuters)