Complex sentence: In the 18th century, Tetschen followed fashion and became a spa town under Baron Johann Joseph Thun, who searched the area for a suitable spring and found one in the nearby village of Horní Žleb ("Obergrund") in 1768.
Split into simpler sentences: In the 18th century, Tetschen followed fashion and became a spa town under Baron Johann Joseph Thun. He searched the area for a suitable spring and found one in the nearby village of Horní Žleb ("Obergrund") in 1768.