Thanks AKSAR for the link.

On a similar note, a SAR search this past Sunday close to my area, highlights the shortcomings of relying on some smartphone GPS apps which can be inaccurate enough to cause people to become even more lost...
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock