This Way Up for Saturday 20 September 2008
Drive time
How to protect the personal info on your hard drive when you get rid of your old computer.
Skyscrapers
High-rise buildings wouldn't have got off the ground if it wasn't for inventions like concrete and elevators.
Dolly Mixture
We meet some collectors, doll-makers and judges at a doll show, and the history of the Cabbage Patch Kids.
Porky Profits
Foreign investors are buying up hundreds of pig farms in China, and the Christmas tree maker that's taking on Hollywood.
