Axel Werner -- TU Berlin

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Russian toys
for geometers

	tiny, shiny, barely recognizable 3-simplex
	in fact a bipyramid over a triangle
	even for non-topologists admittedly homeomorphic to a sphere
	may be crawling away
	after all we're in Berlin
	how Berlin may look like in 50 years
	whoever has an idea how to name this guy gets a cookie...
	another crawley