In this Oct. 6, 2018, photo, an asphalt road and toppled houses scatter across an area hit by liquefaction during an earthquake in the Balaroa neighborhood in Palu, Central Sulawesi, Indonesia. The 7.5 magnitude quake triggered not just a tsunami that leveled huge swathes of the region's coast, but a geological phenomenon known as liquefaction, making the soil move like liquid and swallowing entire neighborhoods. (AP Photo/Aaron Favila), APTOPIX