Which is the best way to cool down your tent on a very hot night?

[Southexplorer]

Which is the best way to cool down your tent on a very hot night?

 

[Xterramods]

Expensive but it seems like a good thing https://www.outdoorcampingdirect.uk...Q4o1kD6arDhpT7Ic2Wzo8t9J7d-iW9OhoCUiAQAvD_BwE

 

[Grady]

Can beat a good old fashion fan. Not much you can do other than ventilation. Unless you want to lug around one of those portable AC units.