Time Out says
The brutalist architecture that used to serve as the central post office of Bangkok in the old days is now home to Thailand Creative and Design Center, a hub where creative minds ignite their creativities through books, seminars, and exhibitions. Rise up to its free-access rooftop space for views of Charoenkrung.
Grand Postal Building
|Opening hours:||Mon-Fri 08:30-16:30; Sat 07:00-16:00|