PCR Leif Ericson Park CleanupPCRFeb 26, 20221 min readA group of energetic PCR volunteers convened in Leif Ericson Park to clean up fallen leaves and pick up litters.一群精力充沛的 PCR 志愿者聚集在 Leif Ericson 公园清理落叶和捡拾垃圾。
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