BLITZER: Now to the worsening refugee crisis in Europe and the flood of desperate people fleeing from the volatile Middle East. Vulnerable families searching for sanctuary, some with just the clothes on their back, and facing an uncertain welcome in so many countries.</s>BLITZER (voice-over): Seventeen thousand people, exhausted and terrified, have poured into Germany over the last two days. Another 10,000 expected to arrive in the next 24 hours. Men, women, children, refugees desperate to get away from terrorism, civil wars, and persecution in their home countries. Their journey, a treacherous one, fleeing Syria by boat, bus, train, and by foot, through at least five countries on their way to Austria, Germany, and now France and the U.K. The first and so far only European countries to openly welcome some of the 350,000 to who tried to cross into Europe just this year. These are the people who have made it to relative safety, but the U.N. estimates that almost 3,000 people died, prompting calls for the European Union to do more.</s>UNIDENTIFIED FEMALE: The European Union was built in decades after the Second World War on the experience of that war. Now we should remember our story and act. We have the duty to save and protect people that are fleeing from war.</s>BLITZER: One of the most dangerous routes is by sea, where many make the journey in overcrowded rubber boats, attempting to get from Turkey to Greece. The power of the waves and the current can be overwhelming, leaving many stranded at sea. Our senior international correspondent Ivan Watson shows us how one group was picked up in a dramatic rescue.</s>IVAN WATSON, CNN SENIOR INTERNATIONAL CORRESPONDENT (voice-over): Under the spotlight of a Turkish coast guard cutter -</s>UNIDENTIFIED MALE: You see - you see the refugees?
Rescuing Refugees Off Turkey; Europe's Refugee Crisis.