Complex sentence: In the 1980s he completed a series of bronze casts for the cathedral in Tarnów, Poland, thanks to which he achieved a reputation, becoming known and popular as an artist of sacred art in other areas of Poland.
Split into simpler sentences: In the 1980s he completed a series of bronze casts for the cathedral in Tarnów, Poland. This work established his reputation, and he became known and popular as an artist of sacred art in other areas of Poland.