The event is expected to attract some 4,000 people from 37 member-nations, partner states, and international organizations The 17th annual BRICS summit has opened in Rio de Janeiro, Brazil, which holds the bloc’s rotating presidency. The two-day event will address global development and governance, international policy, and multilateral cooperation. While no official attendee list has been published, Brazilian officials say over 4,000 participants from 37 countries are expected this year,