Hello, everyone! This is Lauly, your host for this week's #techAsia. I just came back from a weekend trip with my college friends to the southern Taiwanese city of Tainan, my favorite one on this island. Tech industry people know it as the place where Taiwan Semiconductor Manufacturing Co. produces its cutting-edge chips, but the city is also a beautiful place where four centuries of history and modernity seamlessly intertwine.It has Taiwan's highest density of temples — more than 1,500 — many of which were built in the 17th and 18th centuries. Wandering the city's lanes and alleys, it is…