You can enter Temple Bar from Dame Street, or from Fleet Street (off Westmoreland), or you can walk through Merchants Arch, opposite the picturesque Ha'penny Bridge, into Temple Bar Square.
You can reach Temple Bar Square by strolling through Merchants Arch. 
mnli hypothesis: You can reach Temple Bar Square by strolling through Merchants Arch.  premise: You can enter Temple Bar from Dame Street, or from Fleet Street (off Westmoreland), or you can walk through Merchants Arch, opposite the picturesque Ha'penny Bridge, into Temple Bar Square.