Buttresses constitute a spatial supporting construction (SSC) that can convey large loads coming from the pressure of unstable soil on deeper. more stable layers to make it safer with respect to the load-bearing capacity. They make the counteraction against the pressure. which initiates sliding when the forces to move the landslide body. https://www.ngetikin.com/mega-save-NHL-Calgary-Flames-Home-Jersey-iPhone-XR-Skin-p120897-hot-value/