The average walking speed increases as city size increases!
Amazing fact from this paper http://www.pnas.org/content/pnas/104/17/7301.full.pdf
#Introductions It was going to see the premiere of the docu about fracking in the UK ('Power Trip' by undercurrents) that finally got me to sign up to Mastodon.
It's a great film and had an intelligent panel discussion afterwards on activism and reclaiming power.
"In the middle of winter I at last discovered that there was in me an invincible summer." Albert Camus