China Issues First Set of Environmental Postcards

China has issued a set of six postcards with the theme of environmental protection.

The cards themselves are made of recycled paper and feature the calligraphic representations of the words "Calling for Blue Skies in the New Century" written by six famous calligraphers in central China's Hunan Province.

The cards debuted at Yuelu Academy in Hunan Province, China's oldest higher learning institute.


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