[[File:SnowflakesWilsonBentley.jpg|thumb|right|upright=1.20|The formation of complex symmetrical and [[fractal]] [[patterns in nature|patterns]] in [[snowflake]]s exemplifies emergence in a physical system.|链接=Special:FilePath/SnowflakesWilsonBentley.jpg]] | [[File:SnowflakesWilsonBentley.jpg|thumb|right|upright=1.20|The formation of complex symmetrical and [[fractal]] [[patterns in nature|patterns]] in [[snowflake]]s exemplifies emergence in a physical system.|链接=Special:FilePath/SnowflakesWilsonBentley.jpg]] |