Photos that are not necessarily abstract but that rely mainly on colour and form for their effect.
A bird flies into a Rothko

Opera House at sunset 1

Opera House at sunset 2

Opera House at dawn 1

Opera House at dawn 2

Cambrian hills at sunset 1

Cambrian hills at sunset 2

Reflected in the Gherkin 1

Reflected in the Gherkin 2

Reflected in the Gherkin 3

Parliamentary reflections 1

Parliamentary reflections 2

Bluebird

Fingers of a tree

Bridge over the Limehouse Cut

Canal reflection

Ripple

Brooklyn Bridge moon

Brooklyn Bridge moon 2

Blue mosque metalwork