0 0 4 ) ▁and ▁Re ign ▁of ▁Ass ass ins ▁( 2 0 1 0 ). ▁ ▁St yles ▁ ▁China ▁has ▁a ▁long ▁history ▁of ▁mart ial ▁arts ▁trad itions ▁that ▁includes ▁hundreds ▁of ▁different ▁styles . ▁Over ▁the ▁past ▁two ▁thousand ▁years , ▁many ▁distinct ive ▁styles ▁have ▁been ▁developed , ▁each ▁with ▁its ▁own ▁set ▁of ▁techniques ▁and ▁ideas . ▁There ▁are ▁also ▁common ▁them es ▁to ▁the ▁different ▁styles , ▁which ▁are ▁often ▁class ified ▁by ▁" famil ies " ▁( ; ▁), ▁" sect s " ▁( ; ▁) ▁or ▁" sch ools " ▁( ; ▁). ▁There ▁are ▁styles ▁that ▁m im ic ▁movements ▁from ▁animals ▁and ▁others ▁that ▁gather ▁insp iration ▁from ▁various ▁Chinese ▁philosoph ies , ▁myth s ▁and ▁leg ends . ▁Some ▁styles ▁put ▁most ▁of ▁their ▁focus ▁into ▁the ▁har ness ing ▁of ▁q i , ▁while ▁others ▁concent rate ▁on ▁competition . ▁ ▁Chinese ▁mart ial ▁arts ▁can ▁be ▁split ▁into ▁various ▁categories ▁to ▁differenti ate ▁them : ▁For ▁example , ▁external ▁() ▁and ▁internal ▁( ). ▁Chinese ▁mart ial ▁arts ▁can ▁also ▁be ▁categor ized ▁by ▁location , ▁as ▁in ▁northern ▁() ▁and ▁southern ▁() ▁as ▁well , ▁referring ▁to ▁what ▁part ▁of ▁China ▁the ▁styles ▁origin ated ▁from , ▁separated ▁by ▁the ▁Yang t ze ▁River ▁( Ch ang ▁Ji ang ); ▁Chinese ▁mart ial ▁arts ▁may ▁even ▁be ▁class ified ▁according ▁to ▁their ▁province ▁or ▁city . ▁The ▁main ▁perce ived ▁difference ▁between ▁northern ▁and ▁southern ▁styles ▁is