This is a download from the BBC for details of our huge new range of audio for free download or podcast and our terms of use go to BBC WorldService.com

Slash podcast

It's absolutely Marxist. It's going to be 105 meters high. They say that they do the

There's a platform. There's going to be a helicopter at the top.

I have a lot to go. Next year, February, it'll be finished.

This might sound and look like a building site in China, but we're in the Angolan capital, Luander,

where an office block is going up at breakneck speed.

The Blue Jacket Chinese site manager tells us he has 200 men working in three shifts around the clock.

He said, when it's finished, the Angolan president is going to come and open it.

The Angolan president is anxious for things to develop quickly. That's why he wants them to build as fast as possible.

Last year, Angola overtook Saudi Arabia as China's largest foreign supplier of oil.

That fact alone helps to explain why this former Portuguese colony is now a wash with Chinese money.

Nowhere in the world is China's rise to power more evident than in Africa.

When it comes to accessing raw materials and political influence, China is leaving Western nations behind.

Less than five years ago, there were few Chinese companies, people or goods in Angola.

Now it's China's largest African trading partner.

In this BBC World Service series, China's Long Arm, I'm in Angola and tomorrow in the American state of Minnesota.

What are the pros and cons of their new relationship with China?

And how does Chinese investment affect the people in mineral rich countries of both the developing and the developed world?

They're all technicians and workers from Beijing. And in Beijing, they work very fast.

They work very hard because they're one of the companies as well that are helping Beijing prepare for the 2018 Olympics.

Angola's civil war, which lasted nearly three decades, ended five years ago.

...