Where is the Sumerian desert?

The way to enter the former Sumeru Desert is as follows:

Tools/materials: iphone 14, iOS 15.7, Protogod 3. 10.

1. Open the game map and click to enter "Sumeru City".

2. Arrive in Sumeru City and talk to "Catherine" about the task.

3. Finally, go to the mission site to open the Sumeru Desert.