Down Mexico way!

Watch this slide show. Photographer Carlos Cazalis was born in Mexico City to a Mexican father and a Spanish mother, both of whom immigrated as children to the Mexican capital. Carlos' family left Mexico when he was three years old, living throughout north and south America until he returned to Mexico briefly at the age of 23. This assignment was commisioned for The Guardian newspaper.The issue of immigration is deeply dividing opinion in the US. The article on the BBC website gives some idea of the size of the problem & why it causes so much debate.