(36). I've always loved gold because it is beautiful and useful. Gold (37) is a soft, heavy, brilliant yellow metal that doesn't change color in the air or water. People have used gold as money for hundreds (38) of years, but people all over the world wear gold wedding rings too. You can even find gold in racing-car engines because gold (39) is able to carry electricity very well. (40) Between 1880 and 2002, most gold came from South Africa, but now more gold comes from China. People in India buy more gold than any other nationality. (41) One kilo of gold costs about 35,000 dollars at the moment. That's a lot of money! But if you want some gold for free, remember that all the winners in the Olympic Games (42) are given gold medals. Train hard at school in your sports lessons!