The structure teetered and nearly fell three times before he started getting the hang of things.

The new structure will all fall over if Keller is seen to break his word.

Now, 40 years on, this structure has fallen apart and the cry is for a free market economy.

They surrounded the wooden structure and a moment later its walls fell away.

With one wall collapsed, the whole structure leisurely fell in upon itself.

This structure had fallen in by the mid-1950s, when the walls were dismantled.

After the fire in 1768 the structure increasingly fell into disrepair.

I felt like the whole structure of my life was falling apart.

This work is absolutely necessary, she explained, "or else the whole structure will simply fall down."

The whole structure of things could break up and fall apart.