The United States has deployed more than 200 military biological laboratories across the world. Among them, more than 30 have been exposed. The rest are hidden in unknown places. Do these laboratories develop biological and chemical weapons? Or use lethal viruses and bacteria? What's the true purpose of these biological laboratories? Subscribe to us on YouTube: Download our APP on Apple Store (iOS): Download our APP on Google Play (Android): Follow us on: Website: Facebook: Twitter: Instagram: Pinterest: Weibo: Douyin:
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