It was unveiled by pupils from Welshpool High School and Vice Lord-Lieutenant of Powys, Tony Evans.
The investment forms part of a Welsh Government initiative to deliver safety works at more than 130 coal tip sites throughout Wales.
Elon Musk 'salute' is carved into sand in world's largest 'Don't buy a Tesla' protest on Welsh beach
British political campaign group Led By Donkeys staged the protest on Black Rock Sands - Traeth y Greigddu - near Porthmadog, Wales.
Since then, the late Queen Elizabeth II, Queen Camilla, Meghan Markle and the Princess of Wales have all followed in her ...
All aboard for Wales - Train Sim World 5 has added in the Cardiff City Network, playable on Xbox, PlayStation and PC ...
A singer-songwriter who has one of the rarest conditions in the world has joined forces with the police to launch an access ...
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