User talk:Young One Cheung

November 2018
Hello, I'm Longhair. An edit that you recently made to From Space to Environment seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Longhair\talk 09:04, 24 November 2018 (UTC)

Please refrain from making test edits in Wikipedia pages, such as those you made to From Space to Environment, even if you intend to fix them later. Your edits have been reverted. If you would like to experiment again, please use the sandbox. Thank you. Longhair\talk 09:11, 24 November 2018 (UTC)