I mean to be fair if you add that 3km onto the walking you're already doing for the conference, that's a lot for most of us. Zigzagging a conference floor all day is a LOT of steps.
Not sure if this is sarcastic? It's like 20 minutes each way if you're not walking that quickly?
Not sure if this is sarcastic? It's like 20 minutes each way if you're not walking that quickly?