Geography experts should be able to identify world flags in a pinch, no matter how obscure they may initially seem.

Express.co.uk has put together an especially tricky quiz for those who want to test their knowledge of nations whose flags, like the UK’s, have unique designs.

In the quiz below, people must guess the national flag of 15 countries from one tiny segment that, in some cases, might not look like anything immediately recognisable.

Only those with the most extensive knowledge of the…