Agence France-Presse: As desertification creeps into parts of the world, a rare stretch of sand in Canada's vast western plains is oddly doing the reverse -- slowly sprouting with vegetation.
Tufts of prairie grasses are emerging throughout Spirit Sands, a stretch of dunes steeped in local lore in a popular nature park in Manitoba province.
The sands cover only about four square kilometres (1.54 square miles) and in some parts, entire mounds have been completely overgrown.
Today, this small patch is the only...