DID YOU KNOW .....
that London used to be the last place on Earth to hear Big Ben's chimes? If you could hear Big Ben outside London, then you must be listening to it on the radio or T.V., meaning the signal -- picked up by a microphone in the tower and transmitted at the speed of light -- arrived at your receiver before it reached the ground below, travelling at the speed of sound.
Nowadays, digital radio and television are noticeably not instantaneous. It takes longer to convert the sounds to zeros and ones at the transmitter, and back at the receiver, than for the same sounds to travel through the air as sound.
Bloody Londoners ..... Everything in this country is done for their benefit, and we poor sods outside the M25 have to count ourselves lucky if we manage to acquire a few crumbs that have fallen off their table. And, now, we don't even get the satisfaction of knowing we are hearing Big Ben before them .....