More than 50-thousand African migrants have braved the hazardous sea journey to Italy since the start of the year. That number is a tenfold increase on the first half of 2013, and many migrants are amongst the most vulnerable in society. Al Jazeera's Claudio Lavanga reports from Augusta, Sicily. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website http://www.aljazeera.com/