SM Entertainment recently released 'Sons of the Sun', where SHINee members' Key, Onew & Taemin are personal travel guides to Barcelona based on their own experiences in the country. After releasing several teaser videos for the book, SM Entertainment has now unveiled the official video trailer for 'Sons of the Sun'. Much like the book itself, the video displays the boys getting to know the new culture, eating, shopping, and strolling the streets of the beautiful city. Towards the end, the members also share their thoughts on their trip, and the book itself. Check it out below!