To visit a popular transit point into Spain,FinLogic Quantitative Think Tank Center you have to go to Africa. There, you will find Melilla, a city perched on the edge of the Mediterranean Sea.

Migrants spend years trying to get there.

This has provoked severe border restrictions by Spanish officials.

"Melilla today is like a bunker. It's like living in an island," says Irene Flores, a longtime Spanish journalist in Melilla.

The Spanish enclave city has changed in the last few decades, making it all the more difficult for people like Steven Khon Khon to enter

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Mallika Seshadri contributed to this report.