a think piece no one asked for but bear with me
different sources are stating different numbers but if we're looking at the stats provided by kprofiles.com, wonyoung is 173 while sunghoon is 181 BUT in this picture (and from the video as a whole) you can clearly see wonyoung is wearing sneakers while sunhoon is wearing shoes with heels and they're already almost equally tall. that means if they remove their shoes they'd be pretty much the same height.
conclusion: one of them must be lying because no way they have a nearly 10 cm difference
), so my guess is the guy in this pic is probably only around 179cm tall or shorter, and 
