But you do not really need to be an expert to see the consequences for Turkey in the latest Sentinel map. The red colours here describe movement towards the satellite since it last flew over the ...

Turkey and Russia have released competing maps showing where a Russian warplane violated - or steered clear of, depending on the point of view - Turkish airspace before it was shot down early Tuesday.

These maps help explain the offensive and what is happening on the ground. Between 25 and 35 million ethnic Kurds inhabit a mountainous region straddling Turkey, Iraq, Syria, Iran and Armenia.