Security officer and budding artist Marcia Henderson takes us behind the scenes at Tate Britain and shares her artistic talents. Subscribe for weekly films: http://goo.gl/X1ZnEl
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'The spiritual properties of colour' – who were the Blue Rider? | Tate
The Blue Rider (Der Blaue Reiter) was an informal collective of modern expressionist artists who came together in Munich, Germany in the ear...
