The lowlands exhibit focuses on how rivers and streams have influenced the society and economy of the Lan-yang Plain, and how the people of Yi-lan have used their wits to work out a modus vivendi with their watery world.
平原層展示焦點在於：河川如何影響蘭陽平原的社會經濟，以及宜蘭人如何與水共處的智慧。