China is also well developed country and has technologies, so I'm not surprised

It always makes me proud to read something about Harvard because I study math there too. It was my dream university, and I put a lot of effort into getting there. Hoverer, studying there is pretty complicated, and somethimes I use the help of https://edubirdie.com/write-my... when I have writing troubles, and I know a lot of other educational sites and resources. But I do my best, and I hope one day I'll also do something like those mathematics and it will be written about.