Source: South China Morning PostThey started suddenly about six months ago and nobody really knows why.In December, a herd of 15 elephants, including mothers with their young, suddenly left their tropical forest home of Puer prefecture in southwest China’s Yunnan province and started marching north. After 400km (250 miles) they are still on the move and less than 100km from the provincial capital of Kunming, a distance an adult elephant can cover in a day.On the way, the herd has strolled through villages and towns, and down…Read More