Complex sentence: From 1953, he published his own stories in "Tintin", some consisting of a few strips and most of related to sports and automobiles, were published in 1957 by Le Lombard in an album entitled "Ca c'est du sport!".
Split into simpler sentences: From 1953, he published his own stories in "Tintin". Some consisting of a few strips, and most related to sports and automobiles, were published in 1957 by Le Lombard in an album entitled "Ca c'est du sport!".