Correcting details on Gwaun y Llwyni

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OLD DATA CORRECTED DATA
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Gwaun y Llwyni
Lat: 52.788 Lat:
Lon: 356.312 Lon:
Cambrian Mountains
Snowdonia
United Kingdom
685 m m
GMT 0.0h GMT + h (use "-" for negative timezones, as in the US)