The parents of the boys thank search teams and medics who saved their lives a year ago.
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Twins
The town of Pleucadeuc in northwest France holds an annual festival for twins, now in its 25th year.
Gwyneth Rees
BBC News
Marieme and Ndeye were not expected to live beyond a few days, but are now about to start nursery.
Read moreConjoined twins Marieme and Ndeye were not expected to live long but continue to get stronger.
Ritaj and Rital were born joined at the head. They're reunited with the doctors who saved their lives.
Exclusive access to Great Ormond Street as surgeons worked to separate two girls who shared a skull.
The battle to separate Safa and Marwa
It’s the rarest form of a rare condition - conjoined twins, fused at the head.
The BBC has been granted exclusive access to a ground-breaking series of operations in a British hospital to separate two sisters.
Taiwo grew up with albinism, but his twin brother did not have the condition.
The ground-breaking operations to separate conjoined twins
Surgeons in London have successfully separated two sisters who were born joined at the head. Safa and Marwa, who are two years old and from Pakistan, had to undergo complex surgeries over nearly 50 hours. Dr Noor ul Owase Jeelani and Professor David Dunaway - two of the main surgeons from Great Ormond Street Hospital - spoke to BBC Newsday (Picture: the conjoined twins from Pakistan. Credit: BBC)