Complex sentence: Continuing through the northern suburbs of Athens, the line runs to Agioi Anargiroi, which is where the Peloponnese line used to branch off westwards, and in fact the narrow gauge track is still in place from this point on.
Split into simpler sentences: Continuing through the northern suburbs of Athens, the line runs to Agioi Anargiroi, where the Peloponnese line used to branch off westwards. The narrow gauge track is still in place from this point on.