![James O'Brien's Mystery Hour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/061/053/small/james-o-brien-s-mystery-hour.jpg)
Summary: Do airplane contrails affect the atmosphere? Can you mass produce honey and why aren't there cattle grids at all of the gates in Richmond Park?
Summary: Do airplane contrails affect the atmosphere? Can you mass produce honey and why aren't there cattle grids at all of the gates in Richmond Park?