Sebastian Schuchler

And they kind of come up in waves of itching.

It's almost nothing you can do apart from applying ointment to them and just hoping that in a week or so's time, they'll all be gone.

I didn't see them on Sunday, but I've been down to one of the local parks where obviously we filmed that video and we came across these city workers who were trying to stop the spread or at least combat it in some way.

And you can see them.

They're in these nests.

They burrow in these nests.

They look like big fur balls nestled between the branches of the trees.

And they're very visible.

But if you're not looking for them, you'd miss them.

sort of pervasive across the green spaces.

The authorities, the one park that I was in, it's one of the most popular West Berlin parks

And they said there's 2000 trees in here.

We can't deal with them all.

It's just impossible to do so.

We can only handle tackling the trees that are on the main thoroughfares where people are out walking.

Yeah, that's right.

There are two methods they can use to get rid of them.

One of them, which we saw, is this use of these vacuum cleaners for asbestos.

And part of the reason for that is when they suck up the nests and the caterpillars, there's no other blowback of these needles, right?

They're microscopic.