Tough Mudder is one of the most difficult obstacle course races(障碍赛)in the world. Runners need to pass through lots of obstacles and run in the mud. It could be a challenge for anyone to get past the finish line, but 83-year old Mildred Wilson from Missouri, the USA, surprised us...
Tough Mudder Set up an obstacle course in your living room made of pillows, blankets, and other soft materials. Try to create obstacles your child can climb over, under, around, or push aside. Have your toddler start at one end of the room and encourage him to move through the obstacle...