A. Modern telephones
B. Maps and brochures
C. Antique telephones and stamps
D. Twin bell towers
4. What style is the Central Post Office in Ho Chi Minh City known for?
A. Very modern and simple
B. Old and fancy
C. Bright and colorful
D. Tall and narrow
5. What can visitors do when they go to the Central Post Office?
A. Only send letters.
B. Look at the building and take pictures.
C. Only buy stamps.
D. Meet famous people.