There is nothing to envy about the world's worst jobs.

Some jobs are undoubtedly worse than others. But while you might think that your boss makes your job the worst, well, just be happy that you don’t have to literally muck around in unimaginable filth day in and day out.

The following seven career paths might actually be the worst jobs in the world.

Worst Jobs: Manual Sewer Cleaner

As is to be expected, sewer cleaners are the individuals lucky enough to clear blockages and other problems in sewers. In India, however, it is common for men to be employed to manually clear said blockages.

How do they do it? They jump into the sewers — and with only minimal protective equipment.