Sunday, August 11, 2013
Tuesday, July 30, 2013
Friday, July 19, 2013
Saturday, July 6, 2013
Thursday, July 4, 2013
Sunday, June 30, 2013
Astronomical Clock
See fantastiline riistapuu on Praha astronoomiline kell, mis ehitati 1410.a. ja on seega vanim töötav astronoomiline kell maailmas. Milliseid imeasju mõisteti juba 600 aastat tagasi ehitada!
Sunday, June 23, 2013
Pidupäeva moonid




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