Ten giant hardwood tree trunks have been installed at the National Botanic Gardens in Carmarthenshire.
The 'Ghost Forest' as it's known is described as "the most important environmental art installation ever to come to Wales". The 20 tonne trunks represent the depletion of the world's natural resources.
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Welcome to the Newsweek Quiz - where we'll be testing your knowledge from the last seven days of news here in Wales.
A 9pm watershed ban on adverts that market junk food to children should be introduced, Wales' Health Minister has said.
It'll be an unsettled afternoon across Wales, with blustery winds and heavy rain. Gales expected in many areas.