| World of Africa & Middle East: 001: Slides, Videos, Photos, etc.: Set 002: Page 003u 通往地心之旅~非洲火山口探祕 通往地心之旅~非洲火山口探祕 Journey to center of earth~Nyiragongo Crater in Africa received from Cheng-Hsiung Hung 洪正雄 |
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| Click to view PPS slide: 通往地心之旅~非洲火山口探祕 通往地心之旅~非洲火山口探祕 Journey to center of earth~Nyiragongo Crater in Africa received from Cheng-Hsiung Hung 洪正雄 |
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