Water pours over the crest of the Montalban Dam (also known as the Wawa Dam) on the Marikina River in Rizal Province, Philippines, in this hand-tinted photograph. Completed in the early American colonial period as part of Manila's water supply system, the dam became a popular scenic destination for its dramatic waterfall-like spillway set amid the forested gorge of the Sierra Madre foothills. Project: 218612