1. A concise explanation of the problem you're experiencing.
When I'm visiting site with cesium rendered content I see black screen and following failed request:
When I'm visiting same site with USA vpn ( originally it's Ukraine ) same request have status 200 and content is shown:
3. Context. Why do you need to do this? We might know a better way to accomplish your goal.
I need this for testing purposes.
4. The Cesium version you're using, your operating system and browser.
Cesium - 1.58.1
OS - macos 10.14.5
Browser - 75.0.3770.90