 In the 1940s , after Hergé 's popularity increased , he redrew many of the original black @-@ and @-@ white Tintin stories in colour using the ligne claire ( " clear line " ) drawing style he had developed , so that they fitted in visually with the newer Adventures of Tintin that he had produced . Hergé first made some changes in this direction in 1940 , when the story was serialised in the Flemish @-@ language Het Laatste Nieuws . 
 In the 1940s , after Hergé <a href='null_genetive' title='1'><mark>'s</mark></a>popularity increased , he redrew many of the original black @-@ and @-@ white Tintin stories in colour using the ligne claire ( " clear line " ) drawing style he <a href='been_done' title='2'><mark>had</mark></a> developed , so that they <a href='uninflect' title='3'><mark>fitted</mark></a> in visually with the newer Adventures of Tintin <a href='null_relcl' title='4'><mark>that</mark></a>he <a href='been_done' title='5'><mark>had</mark></a> produced . Hergé first made some changes in this direction in 1940 , when the story was serialised in the Flemish @-@ language Het Laatste Nieuws . 
In da 1940s , after Hergé  popularity increased , he redrew many of tdaoriginal black @-@ and @-@ white Tintin stories in colour usin thdaigne claire ( " clear line " ) drawing style he done developed , so dat they fit in visually wit the newer Adventures of Tintin he done produced . Hergé first made some changes in this direction in 1940 , when thedaory was serialised in the damish @-@ language Het Laatste Nieuws .