France, April 12 -- Beneath the Grande Arche de la Defense, in Paris's business district, visitors equipped with headphones and pocket torches are plunged into darkness.
The "Under the Horizon" exhibition sees four artists take over this hidden urban space to bring to life another hidden world - that of the depths of the ocean.
Covering 70 percent of the Earth's surface, oceans provide more than half our oxygen and absorb excess heat caused by climate change. Home to a hive of microscopic activity, their darkest depths, reaching 2,000 metres beneath the surface, remain largely unexplored.
What are the main ocean threats? Creatures of the deep
As visitors enter the exhibition, a high-pitched crackling noise can ...