Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 2008-09-27

(September 27, 2008)
For the first time ever, a Chinese astronaut, Zhai Zhigang, makes a spacewalk.
photo source: wikimedia.org

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