Why it belongs here
The National Botanic Garden of Wales (Welsh: Gardd Fotaneg Genedlaethol Cymru) is a botanical garden located in Llanarthney in the River Tywi valley, Carmarthenshire, Wales. The garden is both a visitor attraction and a centre for botanical research and conservation, and features the world's largest single-span glasshouse, measuring 110 m (360 ft) long by 60 m (200 ft) wide.
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