One candidate towers over parts of the city of Manila in a high-rise condominium along Roxas Blvd., the other officially resides in a sprawling compound in Sta. Mesa. On one side is the city’s “Dirty Harry,” while on another is “Asiong Salonga." As Manila Mayor Alfredo Lim and former President Joseph Estrada open the doors of their respective Manila residences to ABS-CBNnews.com, see how their paths converge into what is expected to be a keenly-watched mayoral race.