every year this around this time is held tank show in the "arena" of military technical museum Lešany. This is popular event with many thousands of visitors. You can see "display items" in action and this museum has many precious machines, devises and guns from both east and west armies.
http://www.vhu.cz/english-summary/
On opening a MI 24 helicopter made overflight
http://www.army.cz/en/armed-forces/equipment/air-force/helicopters/mil-mi-24---nato-code:-hind-38157/
and after then a round of honor around the arena for Czechoslovak tank LT 38 (1938 year of prototype)
https://en.wikipedia.org/wiki/Panzer_38(t)
Show of the day: US -German fight
German howitzer
and boom... you can feel the pressure wave in you own ears. Plenty of noise and smoke.
Flame-thrower
the black smoke marks big blast
I was on the far side of the arena and the scene was partly hidden, so I have no other "action" photos, but in the final ride all machines several times went around the arena.
M36 tank destroyer
https://en.wikipedia.org/wiki/M36_tank_destroyer
US half truck car
https://en.wikipedia.org/wiki/M3_Half-track
M8 Greyhound
https://en.wikipedia.org/wiki/M8_Greyhound
M3 Scout Car
https://en.wikipedia.org/wiki/M3_Scout_Car
German half-track Sd.Kfz. 251
https://en.wikipedia.org/wiki/Sd.Kfz._251
but this one is not original but made from Czechoslovak OT 810 which is quite usual way.
There is still enough of OT 810.
http://www.sdkfz251.com/
The Jagdpanzer 38 Hetzer
https://en.wikipedia.org/wiki/Hetzer