Groups of meerkats and black and white ruffled lemurs were given special bouquets of roses and bananas as a holiday treat.

First a river ran blood red. Now Argentina's beloved giant rodent, the capybara, has been coated in Hulk-green slime as pollution turns the country's waterways traffic light colours.

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.