WORK on Gwent's Grange University Hospital began three years ago this month - but this stunning timelapse video from contractors Laing O'Rourke crams the building of Wales' biggest NHS project in decades into just 17 seconds.

Tower cranes - there were six on the site at Llanfrechfa near Cwmbran at one stage - spring up and disappear in the blink of an eye, while seasonal weather, including rain on the camera, brings a fast-track of colours and shades.

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Aneurin Bevan University Health Board wants to open the hospital in November - rather than next March as originally planned - though the final decision, and extra funding for the proposal, rests with the Welsh Government.