, ▁each ▁side ▁meas uring ▁ 7 5   m , ▁and ▁the ▁ru ins ▁stood ▁about ▁ 3   m ▁high . ▁Event ually ▁it ▁disappeared ▁back ▁under ▁the ▁sh ifting ▁s ands . ▁Att empt s ▁have ▁been ▁made ▁to ▁find ▁it ▁again , ▁but ▁to ▁no ▁avail . ▁ ▁From ▁the ▁ 1 7 th ▁Century ▁until ▁today ▁ ▁The ▁differences ▁with ▁neighbour ing ▁communities ▁and ▁the ▁non - m ig rat ory ▁nature ▁of ▁members ▁of ▁the ▁old ▁Kat w ijk ▁families , ▁Kat w ijk ▁aan ▁Ze e ▁continued ▁its ▁existence ▁as ▁a ▁quiet , ▁close - kn it ▁North ▁Sea ▁fish ing ▁village ▁from ▁the ▁ 1 6 th ▁century . ▁ ▁Although ▁fish ing ▁is ▁not ▁a ▁major ▁activity ▁in ▁the ▁village ▁today ▁and ▁many ▁of ▁the ▁inhabitants ▁are ▁now ad ays ▁sec ular , ▁the ▁old ▁trad itions ▁still ▁surv ive ▁in ▁many ▁ways . ▁Most ▁of ▁the ▁inhabitants ▁are ▁still ▁very ▁traditional , ▁whether ▁they ▁are ▁member ▁of ▁a ▁Cal vin ist ▁church ▁or ▁not . ▁ ▁Kat w ijk ▁aan ▁Ze e ▁had ▁its ▁own ▁unique ▁dialect , ▁called ▁' K at wij ks ' ▁or ▁' Str and - Hol lands ' ▁(' K att u ks ' ▁in ▁dialect ). ▁This ▁dialect ▁is ▁still ▁spoken ▁by ▁a ▁considerable ▁number ▁of ▁people , ▁therefore ▁being ▁one ▁of ▁the ▁few ▁active ▁dialect s ▁of ▁Holland ic ▁still ▁in ▁active ▁use . ▁Yet , ▁fewer ▁young sters ▁learn ▁to ▁speak ▁the ▁dialect ▁act ively