There are thousands of metal-rich asteroids orbiting Earth, but can they be mined for the good of humanity? CNA's Julie Yoo takes a look at the technological challenges of turning these space rocks into usable resources. Subscribe to our channel here: https://cna.asia/youtubesub Visit our website: https://cna.asia Download our app: https://cna.asia/app Get our editors' picks of stories via chat apps: Telegram: https://cna.asia/telegram WhatsApp: https://cna.asia/whatsapp Follow us on these

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