The Secretary for Development, Mr Eric Ma (left), today (February 20) visits the Institute of Building Environment and Energy of the China Academy of Building Research in Beijing to learn about energy saving measures.
The Secretary for Development, Mr Eric Ma (left), today (February 20) visits the Institute of Building Environment and Energy of the China Academy of Building Research in Beijing to learn about energy saving measures.
The Secretary for Development, Mr Eric Ma (left), today (February 20) visits the Institute of Building Environment and Energy of the China Academy of Building Research in Beijing to learn about energy saving measures.
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