On Sunday, thousands of people gathered in Maidan to mark the first anniversary of anti-government demonstrations that left scores of protesters dead. Geovien So/Barcroft Media/Landov hide caption

itoggle caption Geovien So/Barcroft Media/Landov

Russian soldiers guard the entrance to the Ukrainian military base in Perevalne, Crimea, last March. Russia was criticized widely internationally after seizing the region. Now Russian lawmakers are considering a bill that says Crimea was illegally given to Ukraine in 1954 and should have been part of Russia all along. Ivan Sekretarev/AP hide caption

itoggle caption Ivan Sekretarev/AP

A woman sits inside a bomb shelter in Donetsk on Wednesday. Some local residents have lived in bomb shelters and basements for more than a month, looking for cover from artillery strikes. Alexander Ermochenko/Xinhua/Landov hide caption

itoggle caption Alexander Ermochenko/Xinhua/Landov