Desc: Long Distance Swimmer: Sara Mardini: Directed by Charly Wai Feldman. With Barack Obama, Viktor Orbán, Kai Albrecht, Yusra Mardini. When former pro swimmer Sara and her sister Yusra arrived in Germany from war-torn Syria they were Europe's most celebrated refugees. Now Sara is facing a 20-year prison sentence for volunteering with a Greek NGO, helping other refugees.