The beautiful moai statues of Rapa Nui (aka Easter Island) are in danger from rising sea levels and erosion -- but what can be done to save them? Learn what researchers are saying in this episode of BrainStuff.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
