The hunt goes on in the Mexican state of Guerrero for dozens of students who disappeared almost three weeks ago. <br /><br />The case - and the now almost daily discovery of graves - has highlighted just how many people have been disappeared in the area. <br /><br />Al Jazeera's Rachel Levin reports from Iguala. <br /><br />Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish <br />Find us on Facebook<br />https://www.facebook.com/aljazeera<br />Check our website: http://www.aljazeera.com/
