If you effectively just have two days for a trip to Beijing and its surroundings, the plan pretty much makes itself. One day goes to Tianamen Square, the Forbidden City and the neighboring areas, and the other one to the Chinese Wall (萬里長城).
The other side of Yekaterinburg
I’m not a big fan of the “usual” tourist attractions. And so I always quickly end up walking through the backstreets and outskirts.