You're right. As you said so and have to do. Yes, I guessed that apparently there is no such, but I hoped that such a site there. And by the way a couple of more or less normal found:
1)https://mp.weixin.qq.com/s/0epEMLaxiUvOndhKaRn13w
2) and one more, but you need to look up the addresses in the files.
One in English, the other in Chinese.