Time: 01:32CR - Hot-air Balloon - Inflating - Flight - Prague
Time: 15:54CR - airship - inflation - flight - advertising
Time: 01:15CR - healthcare - operating room - lights on
Time: 02:04CR - sleep - woman - light eye mask - sleeping
Time: 01:00CR - science - technology - polarograph - polarography - dispertion of light - laser
Time: 18:37CR - technology - housing - light - lamp - chandelier - bulb - LED
Time: 10:22CR - industry - power engineering - lighting - Kabelspoj - street lamp
Time: 07:03CR - Brno - technology - dispersion of light - polarography - microscope - electron