Lorraine Shemesh Swimming Pool Paintings

Water as a barrier
http://www.lorraineshemesh.com/

Trees as barriers

Trees as barriers, views through.

Craig Stephens Bridges and Dams

http://craigstephens.blogspot.com/

Craig Stephens is a practicing Artist and Art teacher in California. Amazingly as well as holding down a full time job he is producing a painting a day and exhibiting them on his Blog

A Dam as a barrier holding back the water

A bridge as a barrier

Hieronymus Bosch

Ascent of the Blessed attributed to Hieronymus Bosch 1500-1504. This painting relates to the photographs of Robert Mapplethorpe earlier in the blog as it uses a similar composition and way of framing the figures.

http://sirjohnlawesart.blogspot.com/2008/01/robert-mapplethorpe-and-others-human.html

Pieter Bruegel Trees and barriers

16th Century painting of a landscape by Pieter Bruegel

Piet Mondrian Trees as barriers

Piet Mondrian Gray Tree 1911

Piet Mondrian Red Tree 1908

Here the trees are barriers that we are looking at the sky through. They are also a beautiful paintings.

Fernand Leger Scafolding as a barrier