Relative Clauses: 

Help us describe people and places, (build a relationship between these things) 

They associate the two things with each other. (linking them, associating them etc) 

Joining sentences using which, that, who and whose 

The street is totally deserted. 

The street was wide and lonely. 

The paper littered the road. 

The air smelled of decayed food. 

The pavement emitted warm steam. 

The man walked down the middle of the road. 

The man dragged his feet against the hard pavement. 

The man looked up at the old buildings above him. 

The street was wide and lonely, that the man dragged his feet along. 

The paper littered the street, which was wide and lonely. 

Beaming copper lights reflected off the electronic birds which circulated around the musky air. The copper buildings overshadowed the wet streets that are rambled over by continuous traffic of disillusioned mortals. The tormented city was suffocating in its own corruption.