面积最大的50个国家 - Map Quiz Game

While most people know that Russia is the largest landmass in the world, they may not be aware that Canada is actually the second largest. Not far behind Canada in terms of size is China. Unlike Canada, where most of the landmass is uninhabited and covered in permafrost, China is the most heavily populated country in the world. The United States is roughly the same size as China, but with a population that is about 70% smaller.