On a cloudy April afternoon in Tallinn, Estonia’s capital, Berit Osula sat in a salon getting her nails done. She joked that gun oil was bad for her nail polish. But Osula is not just a regular mom of ...

This location was chosen deliberately, as the border between the Estonian town of Narva and the Russian town of Ivangorod runs along the Narva River. The wall of the castle, on which the poster ...