This was the Bataan death march.

这就是巴丹半岛的死亡行军。

youdao

The actual number is very hard to ascertain due to the large number killed on the Bataan March, with their bodies left on the side of the road or in the Pacific.

CNN: 'Dying was easy: It's the living that's hard'

If you survived the Bataan March, the POW camp in the Philippines and the ship to Japan, you were then placed into forced labor with some of Japan's leading industrial giants, and required to work in their mines, on their docks or in their factories.

CNN: 'Dying was easy: It's the living that's hard'

The march became known as the Bataan Death March, not just because of how many died, but because of the way they died.

CNN: 'Dying was easy: It's the living that's hard'