This article is about Tibet area in China.
Secretary of State Mike Pompeo said international access to Tibet was a matter of regional and environmental security. He did not say how many Chinese officials were being blocked from the U.S.
The State Department said on Tuesday that it was barring Chinese authorities from the United States who were found to have restricted journalists, tourists, or diplomats or other American officials from entering Tibetan areas.
The new visa restrictions are the latest set of sanctions that the Trump administration has imposed against China’s government and political leaders over the last several years, most recently to punish Beijing’s crackdown against protesters in Hong Kong.
In a statement, Secretary of State Mike Pompeo said international access to Tibet was a matter of regional and environmental security. He did not say who or how many Chinese officials were now being blocked from the United States in retaliation.
He said the United States remained “committed to supporting meaningful autonomy for Tibetans, respect for their fundamental and unalienable human rights, and the preservation of their unique religious, cultural and linguistic identity.”

Reference: https://www.nytimes.com/2020/07/07/world/asia/china-tibet-pompeo.html