Ha-ha A ha-ha is a concealed ditch dug to keep grazing livestock out of a garden while leaving an uninterrupted view.
A broad plain formed by the joining of very gently sloping, and typically concave, inclined bedrock surfaces is known as what?
Who were sandwiched in 2021 between the border forces of Poland and Lithuania on one side and those of Belarus on the other?
The flag of which South American country or organisation features a golden sun with 32 rays, 16 straight and 16 wavy, in its centre?
