http://newfluencies.blogspot.ug/2014/05/breaking-down-walls-of-our-classroom.html
This site explains how two teachers and their students use technology (Chromebooks, GAFE, digital resources) to break down barriers and do things otherwise not possible. According to them learning is not about answers, but about thinking and working with others in…[Read more]

This sight has both textual information and video resources whose focus is on creating new learning environments.
http://www.bobpearlman.org/Learning21/new%20learning%20environments.htm

This is another resources with links to other resources worth looking at critically. the main focus is transforming classrooms and school for the 21st century,designing spaces for effective learning and re-designing learning spaces for the 21st…[Read more]

This is a useful resources that gives insights into the principles used in designing effective learning spaces for the 21st century learners.
http://net.educause.edu/ir/library/pdf/NLI0446.pdf

4. https://net.educause.edu/ir/library/pdf/PUB7102.pdf
A document having compilations about different learning spaces.

I also take the view that classroom walls do not have to be physically broken down. Learning can take place anywhere with technology using internet connected devices. Any space can be turned into a learning space e.g. homes, museums, playgrounds, field excursion, green spaces, auditoriums, computer labs, public spaces, learning centers, courtyards, etc.