Complex sentence: It is traditionally believed that St. Thomas used to make the sign of the Cross on the rock, kiss it and pray at "Kurisumudi" and later on, a miraculous golden cross appeared at that particular spot.
Split into simpler sentences: It is traditionally believed that St. Thomas used to make the sign of the Cross on the rock, kiss it and pray at "Kurisumudi". The story has it that a miraculous golden cross appeared at that particular spot.