China and Brazil have signed nearly 40 cooperation documents covering areas from trade to aerospace, with both sides hailing Chinese President Xi Jinping's state visit as a milestone for advancing bilateral relations.

A report has highlighted that China's sustainable development level has improved over the years, with the total sustainability index increasing by 46.8 from 2017 to 2024.

Chinese President Xi Jinping is in Brasilia for a state visit to Brazil after attending the 19th G20 Summit in Rio de Janeiro.