Visitors are invited to step into the cool, cavernous belly of the El Deposito Reservoir, where stone arches stretch in rhythmic lines and shadows play across the vaults. Guides stationed throughout the underground space will point out the architectural details that allowed the reservoir to hold millions of gallons of water, from the precision of the brickwork to the ingenious curve of the vaulted ceilings. Sound installations mimic the echoes of dripping water, bringing life to the silent chambers.

This walkthrough does more than showcase the reservoir—it tells the story of Manila’s thirst. Panels along the route recount the long wait for a public water system and how the reservoir was hailed as a triumph when it opened. With no registration required, anyone may walk in, wander at their own pace, and feel the weight of history in the very stones that once carried the city’s lifeblood.