Visit the Ambo Declaration Memorial and Museum, located on Ambo Island. The site commemorates the Ambo Declaration, which was signed on 20 January 1989 by Kiribati, Nauru, and Tuvalu to tackle transboundary marine pollution in the Central Pacific Ocean. The museum showcases exhibits and artifacts related to the history and the signing of the Ambo Declaration, as well as the environmental conservation efforts in the region.