Espalier is art of pruning and training trees or shrubs usually against a wall or trellis to form symmetrical and flat geometric shapes. Training trees into flat, two-dimensional shapes has more value than just decoration of walls and gardens. Espaliered trees are perfect for lawn and gardens with limited space. When grown against walls, they reflect sunlight and protect the wall from heat waves.
There are a number of techniques and methods to train and transform shapes in to flat espaliers. With a little practice, you can craft interesting shapes out of your shrubs and trees. Get started with some simple espalier techniques given here.
Here are a 10 amazing examples of espaliered trees for your inspiration.

Cool!
These are lovely. It is something I would love to try and have been thinking about since living in Europe.
These are lovely gardening techniques. I especially loved the apple tree. That’s something I would like to do in my next house.
Have a look at the shaped gardens in Schwetzingen’s Palace grounds in Schwetzingen, Germany. The sculpted trees and bushes are pruned early on in the year and the whole garden is done to perfection at any time of the year.
http://www.schloss-schwetzingen.de/en/palace-schwetzingen/Palace-Garden/249363.html
Thanks for sharing, Kay!
Absolutely amazing pics. Incredible how trees can be manipulated to look so cool. Thx for the pics.
Love these!! They have some thing like this in Portland. You can see them on the walls on the side of the freeway!! I see how they did this now!! Thanks for the lovely pictures and great ideas!!!
these are very beautiful!