"The world has become like a garden of scarlet flowers."
Let's break it down:
* le monde: the world
* devenu: become (past participle)
* tel: like, such as
* un jardin: a garden
* de fleurs: of flowers
* écarlates: scarlet
This phrase evokes a vivid image of a world transformed into a vibrant and colorful space, perhaps hinting at beauty, passion, or even a sense of danger or warning.