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When you smile does the whole world smile with you or just give you strange looks? David Amanor takes a global perspective with Ibrat Safo of 91福利社 Uzbek, Sucheera Maguire of 91福利社 Thai, Qalib Barud of 91福利社 Somali, and Oxana Vozhdaeva of 91福利社 Russian. Image: Girl smiling Credit: Getty Images
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