Hung Kuo-hsiung points out that Penghu's basalt and its marine ecology are its most unique features. Penghu's multi-layered coastline and its diversity are a rarity. Its shallow-water and offshore coral reefs are brimming with a diversity of sea life, but the people of Penghu do not know how to conserve and treasure it.
洪國雄指出，玄武岩、海洋生態是澎湖最有特色的東西，澎湖海岸的多層次、多樣性是難得的瑰寶，珊瑚淺坪與海洋珊瑚礁孕育出豐富多樣的海洋生物資源，但澎湖人卻不懂得保護珍惜。