In the mid-19th century, a massive fireplace was the centrepiece of every stately home in England. Children are agile enough to keep the flow of air going in the narrow and dark flues. Their young skin is scraped raw by the sooty stone walls. Their fear of falling is as strong as their fear of the master’s punishment. Black-brown-red cross hatching and unusual camera perspectives bring to life the report of a chimney sweep of the time.