Birmingham, UK CNN  —  Will Timms is a very busy man. The pest controller spends his days criss-crossing Britain’s second-largest city to remove rats, cockroaches and other unwanted creatures from people’s homes. Lately, Timms’ phone has barely stopped ringing as some 17,000 metric tons of garbage have piled up on Birmingham’s streets. “The smell is absolutely unbelievable,” Timms told CNN. “You’ve got rotting food, you’ve got maggots on the floor crawling out of the bags.” Birmingham’s garbage