[All] Raising the temperature even higher? Cha Eun-woo provokes Finnish locals

I saw a video of the four members of tvN's Finland Room Living, Cha Eun-woo, Kwak Dong-yeon, Lee Je-hoon, and Lee Dong-hwi, and a Finnish local, Alexi, experiencing a Finnish home sauna.
At first, there were 4 people starting, but in the end only 3 people remained haha

I can tell you're really hot because you're sweating~