

The Cave of Swallows in Mexico, 400 metres deep, is the biggest cave shaft in the world. Yet these depths were first explored only 2 years before man landed on the moon. (Planet Earth - BBC)

Why the hell can I hear a thump when I look at the picture? And no thump when i look away? OHMY.
WHAT IS THIS SORCERY!!!
holy crap
I CAN SEE SOUNDS.
DEVIOUS FUCKERY
I CAN FEEL THE THUMPS IN MY EARS WHAT
GFGKLEMFNGK
JESUS CHRIST YOU GUYS ARE RIGHT.
WHAT
OH MY GOD
I’m re-blogging this every time I see it.
what the fuck..
WHAT IS THIS!?!!?!?!?!!?AHHHHHGGGGGG
AHHHHHHH
There’s got to be a reason for this, but google is FAILING ME.
(Source: redmoonlight, via mytrueloveway)