xkcd #2807: Bad Map Projection: ABS(Longitude) ( imgs.xkcd.com )
Title text: Positive vibes/longitudes only
Transcript[There is a map of the world with positive longitudes and negative longitudes overlapping. Caption above the map:] Bad Map Projection #152:
Longitude=ABS(Longitude)
Whoops, made all longitudes positive [The land masses are represented in white, and the oceans in light grey. Some capital cities, countries and geographical features are labeled.] [Near Siberia, among the other city names, is indicated:] Franklin’s very lost expedition