Since the annexation in 2014, Russia has been persecuting the Tatar population and appropriating monuments.

https://www.theartnewspaper.com/news/unesco-russia-crimea

A Unesco report released on 10 September on cultural heritage and human rights violations in Crimea asserts that Russia has appropriated thousands of monuments, unlawfully exported and exhibited museum artefacts, conducted unauthorised archeological digs, and subjugated its Muslim population in a campaign to dominate the Black Sea peninsula that it annexed in 2014.