Answer:
It has the biggest wall and is also used when drinking tea.
A section of the calendar dedicated to mother nature.
What two letters in the alphabet say goodbye?
I'm the start of eternity and the end of space. There are two of me in heaven and one in hell.
You are on an electric train. Which direction will the smoke fly in?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.