Hot air balloon experts from the US, England, Germany and France will descend on Lough Key Forest Park in Boyle tomorrow.
They're taking part in the Irish Hot Air Ballooning Championships from tomorrow, September 20th, to the 26th.
Eoghan Murphy has been speaking to event director Frank Meldon and Richard Phillips, who is from England and is taking part in the event.
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Frank first explained what's happening tomorrow.