James is an archaeologist. He's scraping through mud in eastern England, rescuing Iron Age heritage before the bulldozers move in for a housing development.

You'd be very surprised the things that do suddenly pop out. I've had Roman coins fly out at me. So yes, expect the unexpected, if you will.

We're going to catch up with James later,

because today on Business Daily,

we're looking at how developers in the Global North

pay for archaeology work before construction begins.

It's made a boom in heritage consultants,

expert in conserving history before building gets underway.

You're listening to the BBC World Service,

which means we're also leaning in on the global south,

where it's the heritage itself that has to earn its crust to survive,

and very often, through tourism.

Barcelona, Paris, Hawaii or Bali,

they are also struggling with over-tourism.

So is this business model even sustainable? We talk about... or Bali, they are also struggling with over tourism. Too many visitors...

So is this business model even sustainable?

We talk to UNESCO and hear how their heritage list is attempting not to harm the things it

loves.

The essence of world heritage is this heritage for everybody and tourism is a vehicle for

that clearly.

It brings a lot of social economic development to a lot of communities, but it's hard to control.

I think what we're seeing in these destinations is we're breaching that threshold between

...