Engineering, 26.01.2021 17:40 dylan6981

Felicity is on a field trip to the local zoo. She notices an old watchtower.
The sun is directly behind this watchtower, drawing the attention towards the borders and outlying features of the watchtower.
What effect is Felicity observing?

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Felicity is on a field trip to the local zoo. She notices an old watchtower.
The sun is direc...

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