@BillGates: This is the “FOCUS” art installation on display at BE Summit. It cleverly represents the Five Grand Challenges — Electricity, Manufacturing, Agriculture, Transportation, and Buildings. https://t.co/34vCLetEdD

http://twitter.com/BillGates

This is the “FOCUS” art installation on display at BE Summit. It cleverly represents the Five Grand Challenges — Electricity, Manufacturing, Agriculture, Transportation, and Buildings. https://t.co/34vCLetEdD

— Bill Gates (@BillGates) Oct 19, 2022