(2)In China's Hunan Province, a large group of "stone eggs" were recently discovered at a construction site. Oval in shape, the eggs vary in size, some as big as a large table. Their origins are unknown, but geologists suspect that the stone eggs are rare, large concretions of carbonate rock. For more, visit the Epoch Times(1).

1. http://en.epochtimes.com/news/7-4-17/54224.html
2. http://en.epochtimes.com/news/7-4-17/54224.html