1.   Outside, a group of junior officials celebrated the end of a hectic week of rounding up trucks to clear the garbage and dispatching rat catchers.

2.   Authorities are offering cash rewards and enlisting the help of teachers and folk musicians in an attempt to turn every Bangladeshi into a rat catcher.

3.   Cheng dismisses such rat catchers as amateurs.

4.   Professional rat catchers use simple traps to snare the critters and prevent them from undermining the levees.

5.   To qualify for prizes, the rat catchers have to submit tails of their victims as proof.

6.   Some rat catchers let rats loose after lopping off their tails because it was merciful to do so.