Students cover their faces to avoid traffic fumes in Causeway Bay. Photo: Nora Tam
Students cover their faces to avoid traffic fumes in Causeway Bay. Photo: Nora Tam

Ageing diesel vehicles banned in anti-pollution drive

Students cover their faces to avoid traffic fumes in Causeway Bay. Photo: Nora Tam
Students cover their faces to avoid traffic fumes in Causeway Bay. Photo: Nora Tam
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