The idea for the initiative comes from a planning concept called the 15-minute city, which is a place where everyone can meet most of their needs within just a short walk of their home.
Daw'r syniad ar gyfer y fenter o gysyniad cynllunio o'r enw y ddinas 15 munud, sy'n fan lle gall pawb ddiwallu'r rhan fwyaf o'u hanghenion o fewn taith gerdded fer yn unig o’u cartref.