A man drives a horse during the 37th Horse Expo in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Liyun)

A man drives a horse during the 37th Horse Expo in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Yadong)

People drive horses during the 37th Horse Expo in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Liyun)

People drive horses during the 37th Horse Expo in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Yadong)

People gather at a local horse ranch during the 37th Horse Expo in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Yadong)

People attend the 37th Horse Expo by horse-drawn carriage in Golega, Portugal, on Nov. 11, 2012. The annual Horse Expo was concluded on Sunday. (Xinhua/Zhang Liyun)