Ten years on, Ella Adoo-Kissi-Debrah’s school bag still hangs where she left it – because her family can’t bear to pack it away.
And sometimes, when she catches sight of it in the sitting room, heartbroken mum Rosamund forgets for a moment that her nine-year-old daughter has gone.
The family has vowed not to leave their home on Lewisham’s busy South Circular road, despite the air pollution. For Ms Adoo-Kissi-Debrah, who has campaigned tirelessly to cut air pollution since Ella died of an asthma attack in 2013 and was awarded a CBE last year for services to public health, to move would be to admit defeat.
