India's ancient caste system can result in controversy and discrimination in the country. But a new trend has sprung up of young women flaunting their caste on social media. Our Delhi correspondent Divya Arya has met some of these women, to try and find out why they are so keen to express 'caste pride'. Plus BBC Mundo's Laura García meets the residents of a Parisian retirement home who have found their own way of embracing the Olympic spirit.

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