upsetting

"I can't find anything – and there's no support. I feel like I have no protection and it's upsetting," she says, frail and leaning on a stick.

Mr Heyle admits it can be upsetting for architects and engineers whose buildings are destroyed but notes that Somalis have become resilient - especially those studying engineering.

Before we start recording there's a long discussion about whether they should speak out for fear of upsetting nearby farmers and the contractors who spread the sludge, who are often local.

Addressing the boy's mother, she said: "I can't imagine how upsetting this is for you."

According to Dr Gray, family relationships can be complex and older people can find the idea of their children as carers upsetting - as can the grown-up children themselves.