information Description Chevron Science Center, Pittsburgh Side view "Science and Mankind" mural by Virgil Cantini in the Chevron Science Center Source...
(272 × 366 (17 KB)) - 05:55, 5 December 2017
information Description Chevron Science Center Detail view of a "Science and Mankind" mural by Virgil Cantini in the Chevron Science Center Source self-made...
(365 × 273 (16 KB)) - 04:08, 10 January 2018