#2807: Bad Map Projection: ABS(Longitude)

XKCD comic, described below.
Transcript
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[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

(Sourced from explainxkcd.com)

Positive vibes/longitudes only

ExplainOriginal