Solve a problem and mail it
By  Edo Timmermans.

a rectangle in the centre
Fire stations
Fire Stations in Battle Creeck, circa 1885

Divide the rectangle in 5 parts of equal size.

One of the open areas is a rectangle
Mesen (Belgium)

Two open areas are rectangles
Heleen Henriques Huisman
Heleen Henriques Huisman

Good solvers acquire eternal fame.