>Hi Hilmar
>
>a latitude north of the south pole where 1km south would put you at a latitude where 1km west would be a 1km circle round the south pole bringing your back to your start point then walking 1km back to the north.
>
>Nick Mason
That's right. Or you can start a little closer to the South Pole, and walk two circles, three circles, etc., around the South Pole, before going back north.
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)