Entertaining Mathematics (13 photos)
"Mathematics - a type of art": post to the centenary of the birth of Martin Gardner
Entertaining arithmetic (3 photos)
Funny math (4 photos)
The history of Bill Gates (8 pics + text)
Best Photos Wikipedia (10 photos)
More than just a photo ... No matter what nationality we are, above all, we are all one people ....
Deer with a crown of fern (7 photos)
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New and interesting
When I ordered a takeaway and brought IT here...