This young lady has an amazing story of bravery and perserverance:

Mardini’s house was destroyed in the Syrian Civil War.^[7] Mardini and her sister Sara decided to flee Syria in August 2015.^[8] They reached Lebanon, and then Turkey, where they arranged to be smuggled into Greece by boat with 18 other migrants,^[8] though the boat was meant to be used by no more than 6 or 7 people.^[5] After the motor stopped working and the dinghy began to take on water in the Aegean Sea, Yusra, her sister, Sara, and two other people who were able to swim^[5] got into the water and treaded water for over 3 hours until the engine started working again, and the group reached Lesbos.^[8][9] They then traveled on foot through Europe to Germany, where they settled in Berlin in September 2015.^[5] Her parents and younger sister, Shaed, also fled Syria and live in Germany.

Wikipedia