Geographical knowledge about BRIC countries

China, Russian and Indian are all in the northern hemisphere, while Brazil is in the southern hemisphere. China and Russia are one of the vast countries in the world. China has plains, plateaus and sand dunes. The terrain is changeable and complicated. Russian territory spans Europe and Asia, and most of its population is concentrated in Europe. Among them, there are not many people living in the vast Siberian region. India is relatively south, so it is a subtropical country. Many countries in Brazil have mountainous and tropical rain forest climates.