Is the prayer valid in a place surrounded by impurity, but where the place of prostration is pure?

The questioner : If the impurity is there, pray in another place... Is his prayer valid?

The Shaykh : Yes, it is valid.

The questioner : ...the place of his prostration...
Another questioner: So... if... impurity... on the body or

The Shaykh : Yes

The questioner : Impurity...

The Shaykh : Yes? You did not mention it just now.
Another questioner: I am mentioning Ibn Hazm, and al-Shafi'i agrees with him, that it is not...

The questioner : What is it based on... it was mentioned before.
Another questioner: ...that this

The questioner : He based the invalidity of the prayer on it.
Another questioner: The invalidity and its non-invalidity.

The questioner : Why, if the prayer is assumed to be valid, with... the prayer
Another questioner: Even though he is sinful.

The Shaykh : Yes, that is right.