"Very often you get much more interesting results with a difficult site," Martin Ginsburg said.

It was a challenge for Railways to start civil works in such a difficult site which is surrounded by river bodies from all sides.

"It was a difficult site, so we made a house that one or two men could put together by hand."

Eileen loved a challenge; it is believed that was why she chose such a difficult site.

While open to the public, Waka' is a difficult site to get to.

In winter we look for work on the more difficult lowland sites such as coastal paths.

Our house became a prototype for many of my houses with difficult sites.

But officials decided the equipment would be too cumbersome at the difficult site.

We're going back and working on projects in more difficult sites, like Newport Centre.

It proved to be a difficult site to launch from and so in 1867 it was closed.