About the place:

1 – The street was totally deserted.

2 – The buildings towered above me.

3 – The rubbish cluttered the building.

4 – The road was empty.

Combine 2 and 3: The buildings, which were cluttered with rubbish, towered above me.

About the man:

1 – The man walked along the line.

2 – He looked around in confusion.

3 – The man dragged his belongings behind him.

4 – He stared at the empty street.

Combine 2 and 3: The man, who looked around in confusion, dragged his belongings behind him.

Which that who whose