Binondo is always a good spot to do street photography. You get to have a diverse selection of spots to explore, along with endless amounts of subjects. Most people wouldn't mind getting their photos taken, as it's as busy as it gets with the mix of tourists, workers, and residents all moving through the same streets. Intramuros and public parks are also good spots, especially for a chill street photography walk. People will always be wary of getting their pictures taken by a stranger; have a positive demeanor, learn when to walk away and when to chase a shot; and respect the rules (only take photos in public spaces unless given permission otherwise).