The fresh underground water (FUW) is the rare natural resource of hydrosphere in earth and the sensitive weak key element of environment.

地下淡水是地球水圈中罕见的自然资源和敏感脆弱的环境要素。

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It has also led to an all-Wales survey into the issue by the Farmers' Union of Wales (FUW).

BBC: Wales' chief vet backs warnings over sky lanterns

His comments came as the Farmers' Union of Wales (FUW) said it was appalled horsemeat was mislabelled as beef.

BBC: Wales

Farming unions the FUW and NFU Cymru, Careers Wales, the Unite union, Wales TUC and Coleg Menai also took part.

BBC: Butcher at work