English: Derivative work of Emoji_u1f3b1.svg and Pure-wikitext_analog_clock_testing_1.svg I, the copyright holder of this work, hereby publish it under
svg Română: O diagramă a unui paradox al bunicului ilustrat cu o bilă de biliard. Date 16 May 2020 Source File:Grandfatherparadoxbilliardball.svg Author