Biram Senghor regularly goes to pay his respects at a military cemetery in Thiaroye, a fishing village near Senegal's capital of Dakar, bowing in front of a different grave each time.
It's hard to fathom that it was all the way back in 2011 when the beloved ITV show first aired, with BAFTA winner Brenda Blethyn donning her now iconic trench coat and fishing hat for the first ...