@BillGates: Many thanks to @YoYo_Ma for helping us spotlight the Grand Challenges in Global Health - and for this beautiful performance with the @gatesfoundation's own Chris Karp. It’s always fun to find out your colleague has a hidden talent. https://t.co/w4ipdHPtv0

http://twitter.com/BillGates

Many thanks to @YoYo_Ma for helping us spotlight the Grand Challenges in Global Health - and for this beautiful performance with the @gatesfoundation's own Chris Karp. It’s always fun to find out your colleague has a hidden talent. https://t.co/w4ipdHPtv0

— Bill Gates (@BillGates) Nov 10, 2021