While we’ve been distracted by our happy tears after watching medals being won and records being broken at the 2016 Rio Olympics, something very strange has been happening in one of the pools: it turned bright green.
And now, the world finally knows why.
Days after the mystery first began (i.e. when Twitter started asking questions about why diving pool had put on the murky shade of a kale smoothie), Olympic officials have finally offered an answer to what went wrong.
— Reuters Top News (@Reuters) August 10, 2016
It turns out that wrong chemicals were put into the water. Oops.
80 litres of hydrogen-peroxide was put into the pool on the day of the opening ceremony, which does not react well with chlorine.