#sketching #clouds on the #sea
We’ve been #sailing with #lovisgreifswald and met a#traditionalsailor #regatta

+ the images show drawings of clouds, sailing boats and the sky over the sea. Sorry, my app crashes if I try to put alt text. 😢

A traditional sailor must have a good understanding of spherical astronomy and trigonometry in order to navigate the oceans without the modern gadgetry.
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#mathematics #sphericalgeometry #traditionalsailor #sailing_lilith #satanicsailor