article_snippet: At the same time on Wednesday, Russian President Vladimir Putin joined a celebration in Moscow's Red Square, where Russians celebrated the one-year anniversary of the annexation of Crimea.
article_snippet: NATO has condemned the annexation of Crimea as an illegal territory grab and is boosting the annexation of Crimea troop presence in the region in what officials say is an effort to discourage Russian President Vladimir Putin from encroaching into other countries.
article_snippet: Russian President Vladimir Putin describes the annexation of Crimea as a "reunification," saying that Crimea's residents overwhelmingly voted to be part of Russia.
article_snippet: CNN's Don Melvin and Catherine E. Shoichet contributed to this report.