How the Chicago River Went From 'Great Open Sewer' to Swimming Spot

Today on CNN10: It's been three years since the war in Gaza began. We reflect on where the conflict still stands. Then, the Chicago River is now flourishing despite decades of industrial pollution, thanks to an environmental movement and engineering. Plus... a rocket just clocked the fastest trip to the International Space Station ever-- but not for the reasons you may think. All this and more on today's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices