Travelling around the world is a dream for many people, but a young couple from China has made his dream come true. They drove along the ancient Silk Road, from China to the UK. Luo Chang and Ding Jie, a young couple from China's Guizhou Province, spent two months drving from their home in Shanghai all the way to London. The journey covered about 20,000 kilometer, and they crossed 14 countries and regions . Ding Jie said, " People were excited to see two travelers driving a foreign license car, appearing on their streets. We were stopped many times to take photos with them. Sometimes, when we couldn't understand each other's language, they would express their ideas with gestures . During their driving trip, they also spent many nights in local people's homes. Luo Chang said, "This is an amazing experience. We were driving on a highway or a country road to someone's home. Someone you've never met but was already preparing dinner for you. We feelwe have friends all over the world. During the trip, Luo and Ding took nearly 10,000 photos and kept diaries to record the beautiful scenery , the friendly people and the different customs on the way. ,. From the passage, we can learn that   _  .
the couple knew 14 languages the couple spent all the nights in hotels the couple was welcomed during the trip the couple drove along the Silk Road, from China to Brazil