Imagine if, on an ordinary day, war came. Imagine it turned your town to rubble. Imagine going on a long and difficult journey - all alone. Imagine finding no welcome at the end of it. Then imagine a child who gives you something small but very, very precious... When the government refused to allow 3000 child refugees to enter this country in 2016, Nicola Davies was so angry she wrote a poem. It started a campaign for which artists contributed drawings of chairs, symbolising a seat in a classroom, education, kindness, the hope of a future.