This is a daily comic journal kept during a 2-week trip to Italy in 2010.
Text: Day 11: A Meterological Quandary
Drawing of a group of umbrellas in rain
Text: T = total rainfall, Ru = rainwater under umbrellas, Ro = rainwater outside umbrellas. Bizarrely, dRu > dRo as T increases
Graph of T (x axis) against R (y axis), with lines for T, Ru, and Ro. T is a straight 45 degree line, and the R lines are parabolic curves under it, with Ru increasing in slope and eventually overtaking Ro