An island observed from 24km. The first observation is from 4m over sea level and the last from 10m. The water was very calm with waves less than 1m high.
An island observed from 24km. The first observation is from 4m over sea level and the last from 10m. The water was very calm with waves less than 1m high.
https://steemit.com/flatearth/@flatearth/finding-the-curve-einar-kuusk-flat-earth-documentary
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