The Pratas Island Measuring Memorial Stone Tablet
　　In July 1991 the Kaohsiung City Government erected the "Pratas Island Measuring Memorial Stone Tablet" as a symbol of the fact that Pratas Island falls within the jurisdiction of Kaohsiung City.

Stone Tablet Symbolizing National Sovereignty Over Pratas
　　Minister for Internal Affairs, erected the "South China Sea Defense" stone tablet to declare ROC sovereignty again in 1989.