January 19, 2013

Convex or concave?

By harrietartes
Convex or concave

Does this picture look to be a hole, or a hill?

About harrietartes

Entrepreneur, with a background in sales & marketing, and passion for all things ethical. View all posts by harrietartes
This entry was posted on Saturday, January 19th, 2013 at 4:35 am and posted in Images. You can follow any responses to this entry through the RSS 2.0 feed.

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