Photo credits
No changes were made to original photos
| Image | Alexander Wroblewski |
| Image | Flickr @atbaker (license: https://creativecommons.org/licenses/by/2.0/legalcode) |
| Image | Flickr @tendenci (license: https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode) |
| Image | Flickr @76771463@N02 (license: https://creativecommons.org/licenses/by/2.0/legalcode) |
| Image | Flickr @eflon (license: https://creativecommons.org/licenses/by/2.0/legalcode) |
All other images property of Rice University