
Many countries have outdated laws which may never be enforced - because lawmakers are often unaware they exist.
Despite this, the laws are still legally valid because they haven't been repealed.
For example MPs in the UK are banned from wearing a full suit of armour in Parliament, according to flytodubai.co.uk. It's also illegal to handle a salmon "in a suspicious manner".
These are some of the most bizarre outdated laws in the world: