One of a selection of buildings in Kalevi, Tallinn, this one white, modern, geometric and symmetric.

One of a selection of buildings in Kalevi, Tallinn, this one in typical Tallinn mustard yellow.

One of a selection of buildings in Kalevi, Tallinn, these in various colors, brick red, olive green and blue from front to back.

One of a selection of buildings in Kalevi, Tallinn, this one the Salme cultural senter seen from the back and side.

the #EasternSlavs knew as #Kolyvan, and Al Idrisi, aka Abu Abd Allah Muhammad al-Idrisi al-Qurtubi al-Hasani al-Sabti (أبو عبد الله محمد الإدريسي), #Arab cartographer (his determination of the source of the #Nile eliminated the then theory that it was on a hill on the #moon), apparently included
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