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Presenter Hannah Fry reveals how much our planet can change in just a single day and how these daily changes are essential to our existence. If you think the Earth takes millions of years to change, it’s time to think again! Presented by Hannah Fry, this TV special reveals how much our planet can change in just 24 hours. A new era of science allows us to watch as the Earth move...。The Yangtze River Bridge in Nanjing is one of the most famous bridges in China. It is also the most popular place in the world to commit suicide. For the past 11 years Chen Si has been patrolling this bridge, looking to provide aid for those who've gone there to end their lives. Incredibly, he has saved over 300 people since he began - nearly one every two weeks. 南京长江大桥是中国最著名的桥...。