fall into decay

The university was closed to foreign students in 1831 and fell into decay.

As no particular agency was made responsible for it, the building fell into decay.

Until recently, it had been allowed to fall into decay.

For a hundred years, the palace was left to fall into decay.

During this period many of the older structures fell into decay.

In many other cases, however, the pond plants fall into the water and decay.

However by the 16th century it had fallen into decay.

They were simply abandoned and left to fall into decay.

Some schools were never used again and fell into such decay they had to be torn down.

The building had been long closed and falling into decay.