It came down with the rain.
At first, Dr Carys Morgan thought the strange silver threads spreading through the soil at Dyffryn Glas were just another problem to solve. Then the insects began to disappear. The ground started changing. And something impossible began quietly rewriting a Welsh valley.
Carys has science, several tonnes of mud and a rapidly diminishing list of sensible options on her side.
Whatever came out of the sky has the rain.
