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Time: 10:35CZ - education - Ledeč - observatory - telescope - microscope - chemistry - experiment - mathematics - Guinea pig
Time: 07:42CZ - science - research institute - laboratory - chemist - solution - test tube - experiment - chemicals
Time: 12:00CZ - education - Benešov - laboratory - experiment - decorator - levelling - garden - architect
Time: 07:27CZ - Prague - education - SOS - chemical - laboratory - experiment - chemist - slow motion - fire
Time: 08:12CZ - Prague - education - SOS - chemical - laboratory - chemist - experiment - study hall - student