#zazazuUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemit FeedbackSteemitCryptoAcademyআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOBeauty of CreativitySTEEM CN/中文AVLE 일상Steem For LifestyleTron Fan ClubComunidad Latina#zazazuTrendingHotNewPayoutsMutedplanktosha (25)in #zazazu • 9 years agoA smile is the most recognizable facial expression.People can recognize the smile at a distance of up to 100 meters, which makes it the most easily recognizable facial expression.