published on: 2014-02-27 01:36:28
klo13.tumblr.com/post/77961583763/
thought-cafe: Col. Chris Hadfield loves Crash Course, and Crash
klo13.tumblr.com/post/77961792031/
klo13.tumblr.com/post/77961825551/
r2–d2: Varmahlid, Iceland by (banzainetsurfer)
klo13.tumblr.com/post/77964935982/