Yes, it is very safe to visit Xinjiang now. The Uyghur people are some of the most friendly you’ll ever meet. Most visitors feel it is totally safe in the main tourist areas, though there may be an elevated police presence.
1) Walk into the imperial Forbidden City from Tiananmen to Feel its history
2) Hike alone the man-made wonder - Mutianyu Great Wall
3) Explore modern architectures incl. Bird’s Nest and Water Cube
