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Sheep On A Factory Roof
- John Marshall built Temple Works in Leeds with a grass roof watered into the flax mill, and kept sheep on the roof to mow it.
- He invented a hydraulic lift for the sheep because sheep can't go upstairs and he wanted a single-level factory for fire safety.
Historic Green Roofing Benefits
- Green roofs were used in 19th-century Leeds to control humidity and are now promoted for energy savings.
- The hosts note green architecture can cut heating energy by about 30% for a small cost increase.
Cook's Failed Sheep Introduction
- Captain Cook tried to introduce two sheep to New Zealand but they died after eating poisonous plants, thwarting his plans.
- Later settlers succeeded and New Zealand is now famous for having more sheep than people.


