Wall Street Journal – From the outside, there doesn’t appear to be anything special about Ren Ningning’s farm southeast of Beijing, tucked among plots of lotus root and other crops. But once beyond the redbrick wall and locked iron gate, a visitor enters into a rich man’s fantasy land—a sprawling, 100-acre equestrian estate with row after row of stables and some of the priciest horses in China. There is a clubhouse filled with racing paraphernalia: saddles emblazoned with Chinese flags, medals and trophies from past victories, and an odd enormous floor lamp—in the shape of a horse, of course. Outside, there’s space for…