The building collapsed due to the earthquake.

Finally, he proposed to her.

That building is very old.

This old building tells the history of our town.

He is interested in the history of the past.

This old house is the one where my grandparents lived.

I want to go to Mongolia.

I have been to Outer Mongolia.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Chicago.