Hang Son Doong in Vietnam is the largest cave on Earth. Located near the border between Laos and Vietnam, this behemoth is approximately 9km (5.6 miles) long and contains its own large, flowing river.
The largest chamber in this single cave runs for 5km (3.1 miles), is 200m (656ft) high and 150m (492ft) wide, and contains some of the tallest stalagmites in the world – up to 70m tall (229ft).
Meet the biggest photograph ever taken – capturing Mount Blanc at a height of 3500m, by Italian photographer Filippo Blengini who stitched 70.000 individual photographs into a single 365 Gigapixel image, 46 Terabytes in file size. View the image HERE and zoom in to explore the incredible detail.
Luoping Rape Flower Fields, Yunnan Province, China / photographed by +Lanzi These sparkling images, that look more like a golden ocean, are of yellow rapeseed flowers, also known as canola, attract thousands of tourists every year (during the blossoming season) to Luoping, a small county in eastern China.
From the series ‘Storms and Weather’ by Ben Messina
Overdevelopment, Overpopulation, Overshoot (OVER) contains powerful and evocative images showing the ecological and social tragedies of humanity’s ballooning numbers and consumption. It retails for $50, but as part of Speak Out you can request free books to use raising awareness about these important and urgent issues.