What are the closest coach station and the closest train station to London Zoo?

I need to get either a coach or train from milton keynes to as close as possible to London Zoo.

What are the cloest train or coach stations?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).