Most people think Russia is just a cold and snowy place. But in fact, it is a great place for water sports. St. Petersburg (圣彼得堡) has stand-up paddleboarding (桨板冲浪) every year. People stand on a large board. They use paddles to race 8 kilometers through the water. On their way, they go through the heart of the city and cross under about 30 bridges.