Refreshing   Waterfall in Mourao River - Anços - Sintra A little paradise close and protected from "cosmopolitan confusion." Nikon D810 + Nikkor AF-S 16-35mm f/4.0G ED VR @ 16 mm | ISO 64 - f/11 - 30 sec | Filters Used: Lucroit 100mm Filter Holder + Lee Proglass ND 0.9 + Lee GND 0.6 SE + 105mm Heliopan CPL