The border between Mexico and the USA has been heavily contended and fortified in parts - but why is migration so contentious?

Would you ever believe finding skeletal remains could cause international outrage, but also questions on belonging?

Durban, found in South Africa, has been suffering with extensive pollution as it invites large corporations,

The Transatlantic Slave Trade saw millions of people forcibly removed from their homelands and transported across the world to work as slaves.

In 1994, a genocide rocked Rwanda between the Hutus and Tutsis which left a legacy,