A big thanks to everyone who has come to the talks in Salisbury, Greenwich, Derbyshire, Hay and St Andrews recently. Brilliant audiences. Lots more talks to come this year, see if there is one near you here.
I took the above picture whilst in St Andrews. The side of the Martyr's Monument that is brightly lit by the sun is, unsurprisingly, the southern side.
Notice how the southwesterly winds have eroded that corner much more than the eastern side.
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For a complete guide to Natural Navigation read Tristan’s books.