Sustainability key to next phase of Belt and Road

Editor's note: In her speech at the Second Belt and Road Forum for International Cooperation on Friday, Christine Legarde, International Monetary Fund managing director, said the initiative had now entered its second phase - which she called "BRI 2.0". Excerpts:

Today, as we prepare ourselves for this new phase, it seems fitting to first review where we have been. And then, together, consider the lessons learned for achieving greater balance moving forward.

To borrow from a Chinese proverb, "It is easy to start a venture - the more difficult challenge is what comes next." That is where we find ourselves today, at the more difficult challenge.