Rare photo of two air-planes by Vaclav Kotesovec
Photographer: Vaclav Kotesovec, Prague, 9.5.2012, 14:59 (=12:59 UTC)
Interesting website is www.flightradar24.com
Set "playback", date 9.5.2012 and time 12:55.
First plane (big) = THA911 (Airbus A340), from London to Bangkok, Altitude = 10668 m
Second plane = DLH1491 (Airbus A321), from Kiev to Frankfurt, Altitude = 10975 m