RT @WorldAndScience: 3D Concrete Printer, Printing a Castle https://t.co/UXXZj6vBy2 0 atbildes

	Mārtiņš Galvanovskis (2017-06-27 00:02:20) @twitter	RT @WorldAndScience: 3D Concrete Printer, Printing a Castle https://t.co/UXXZj6vBy2