Thousands of migrants are facing crisis and dangers as they travel through Latin American to reach United States, making themselves vulnerable to labor exploitation, human trafficking and prostitution.

Teenage refugees from Middle East are forced to turn to prostitution in Athens, Greece. They are doing it daily for shelter and food, and to satisfy their basic needs to live.

A simple new questionnaire based on emoticon-style facial expressions could help teachers and others who work with children to engage them on their happiness levels in the classroom.