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Artists Anish Kapoor, left, and Ai Weiwei  carry blankets as they set off from The Royal Academy of Arts to walk across London in support of refugees, Thursday, Sept. 17, 2015. They carried a single blanket as a symbol of the need that faces 60 million refugees in our world today. The artists will repeat this action in cities across the world over the next few months. (AP Photo/Kirsty Wigglesworth)
Artists Anish Kapoor, left, and Ai Weiwei  carry blankets as they set off from The Royal Academy of Arts to walk across London in support of refugees, Thursday, Sept. 17, 2015. They carried a single blanket as a symbol of the need that faces 60 million refugees in our world today. The artists will repeat this action in cities across the world over the next few months. (AP Photo/Kirsty Wigglesworth)

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Artists Ai Weiwei and Anish Kapoor: March for refugees

Two influential artists are using their celebrity status to draw attention to the European refugee crisis. CNN's Sherisse Pham reports.

Artists Ai Weiwei and Anish Kapoor: March for refugees

Two influential artists are using their celebrity status to draw attention to the European refugee crisis. CNN's Sherisse Pham reports.