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2018 Green Wave Campaign
香港中華基督教青年會屯門會所
西貢植樹20週年紀念暨減碳宣傳運動啟動禮
OISCA Hong Kong is looking for Volunteer!
綠色浪潮2020證書頒發 及 嘉許典禮
OISCA HK NEXTOISCA HK NEXTOISCA HK NEXT