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Listen and complete all the questions in the video, and draw your own comments after watching

The video talks about what would happen if people disappeared. Modern scientific equipment will not be operated by anyone will malfunction, industrial plants around the world will immediately stop. The transportation system will also be shut down and the tunnels will be flooded within three days. And weeds will begin to grow, new species of plants and animals will gradually appear......

What would happen if every human suddenly disappeared?