In today's technological age - is heavy manual labour disappearing or is it just becoming invisible?

Physical work was once celebrated with hymns of praise. But workers today must be content with encouraging one another that their hard work is better than no work at all.

This series looks at the state of physical work in today's world. Work that is dreary, demanding and at time dangerous.

We take a glimpse inside the bloody and frenetic activity of the Port Harcourt meat market in Nigeria. Here cows and goats are brought to the slaughter - then cut, roasted and cleaned for sale.

The slaughter yard offers a hellish vision of noise, blood and smoke - viewers may find some scenes distressing.

Lions can be seen from Monday, November 1, at the following times GMT: Monday: 0230; Tuesday: 0630; Wednesday: 0830, 1930; Thursday: 0330, 1400; Friday: 0730; Saturday: 1900; Sunday: 0030, 2330.

We visit the ship-breaking yard of Gadani in Pakistan where derelict vessels are beached and then dismantled for scrap metal - with a bare minimum of mechanical assistance.

Brothers can be seen from Monday, October 25, at the following times GMT: Monday: 0230, 1230; Tuesday: 0630; Wednesday: 0830; Thursday: 0330; Friday: 0730; Sunday: 0030.

We visit east Java in Indonesia – where men climb steep paths amid pungent vapours carrying a heavy load of sulphur rock from the mouth of a volcano.

Ghosts can be seen from Monday, October 18, at the following times GMT: Monday: 0230, 1230; Tuesday: 0630; Wednesday: 0830; Thursday: 0330; Friday: 0730; Sunday: 0030.

Heroes looks at freelance miners in Ukraine who spend long days crawling through cramped shafts of exhausted coal mines to dig out a living for themselves.

Working Man's Death: Heroes can be seen from Monday, October 11, at the following times GMT: Monday: 0230, 1230; Tuesday: 0630; Wednesday: 0830, 1930; Thursday: 0330, 1400; Friday: 0730; Saturday: 1900; Sunday: 0030.