A year ago, two Syrian refugees bought identical wetsuits from a Calais shop, walked to the beach and disappeared.

When their remains were washed up 500 miles apart, police in the Netherlands and Norway were at a loss to identify them.

No missing persons’ reports had been filed, they had no police records, their DNA was not on file. As Anders Fjellberg put it, they were an “invisible life heading for a nameless grave”.

The reporter, from Norwegian newspaper Dagbladet, worked with photographer Tomm Christiansen to… more