Fyzika FSI - Primární duha, tmavý Alexandrův pás a sekundární duha v opačných barvách - to pro ty kdo to chtějí vědecky 😎 (http://ukazy.astro.cz/duha-vznik.php). A nebo jednodušeji - krása :-) . Děkuji,
![Alexandr Paschinskiy of Ukraine jumps with his KTM motorbike June 2, 2002 during the Junior 125cc European Motocross Championship. Paschinskiy won the race in front of participants from 13 countries. REUTERS/Radu Sigheti Alexandr Paschinskiy of Ukraine jumps with his KTM motorbike June 2, 2002 during the Junior 125cc European Motocross Championship. Paschinskiy won the race in front of participants from 13 countries. REUTERS/Radu Sigheti](https://c8.alamy.com/comp/2D3DJJ5/alexandr-paschinskiy-of-ukraine-jumps-with-his-ktm-motorbike-june-2-2002-during-the-junior-125cc-european-motocross-championship-paschinskiy-won-the-race-in-front-of-participants-from-13-countries-reutersradu-sigheti-rsclh-2D3DJJ5.jpg)
Alexandr Paschinskiy of Ukraine jumps with his KTM motorbike June 2, 2002 during the Junior 125cc European Motocross Championship. Paschinskiy won the race in front of participants from 13 countries. REUTERS/Radu Sigheti
![La prochaine station est celle de la durabilité: Attention, les portes ne se ferment pas: Alexandr, Konowalow: 9786203540918: Books - Amazon.ca La prochaine station est celle de la durabilité: Attention, les portes ne se ferment pas: Alexandr, Konowalow: 9786203540918: Books - Amazon.ca](https://m.media-amazon.com/images/I/61CL6QjAG2S.jpg)
La prochaine station est celle de la durabilité: Attention, les portes ne se ferment pas: Alexandr, Konowalow: 9786203540918: Books - Amazon.ca
![Ballet couple Maria Alexandrova and Vladislav Lantratov in close up during a pas de deux duet from the Firebird ballet Stock Photo - Alamy Ballet couple Maria Alexandrova and Vladislav Lantratov in close up during a pas de deux duet from the Firebird ballet Stock Photo - Alamy](https://c8.alamy.com/comp/2E3J0K6/ballet-couple-maria-alexandrova-and-vladislav-lantratov-in-close-up-during-a-pas-de-deux-duet-from-the-firebird-ballet-2E3J0K6.jpg)