2012年4月22日，北京理工大学的79名留学生登上了居庸关长城。4月的北京气温适宜，长城秀美的风光吸引了很多留学生参加这次活动，他们中的一些人已经是第二次登长城了。On April 22.2012, there are 79 foreign students from Beijing Institute of Technology joined the “Great Wall” journey. The mild temperature of Beijing in April and the beautiful landscape of Great Wall attracted many students to climb on it, including some students who have already been here before.

　　这是三个第一次登上长城的阿尔及利亚学生。Three students from Algeria came to Great Wall for the first time!