"We can end child marriage, because together we can achieve anything." Youth campaigner Nitu, India

In this new video from Girls Not Brides, campaigners from across South Asia – home to nearly half of the world's child brides – explain what motivates them and how they are playing their part in the struggle to end child marriage.

Immediately following the end of Operation Cast Lead in the Gaza Strip last year, Israeli human rights organisation B'Tselem gathered 15 young volunteers, mostly students starting their studies in communication or journalism, gave them video cameras, and asked them to document everyday life around them.