K-pop sensation BTS are perfoming their final concert of their world tour in Seoul.<br />The boyband's successful world tour is estimated to have raked in more than 170 million U.S. dollars in revenue.<br />Kan Hyeong-woo has this story.<br />"Tens of thousands of BTS fans from all over the world have gathered at the Jamsil Olympic Stadium to witness the final concert of the ‘LOVE YOURSELF: SPEAK YOURSELF’ world tour."<br />"Their music just brings all of these people together because the message that they are spreading like Love yourself… it's amazing, If you ask me, I think. If you look around all these people think the same way."<br />"I like BTS because they really helped me go through really dark phase in my life and I think someone said that you find BTS when you need them the most. I think that's the case for me, too."<br />The last of BTS' three concerts in Seoul marks the end of the group's extended 'Love Yourself' world tour.<br />After seeing a massive success from the first tour last year,... the seven-member boyband extended their global journey.<br />That extension, dubbed 'Love Yourself: Speak Yourself', has generated over 170-million U.S. dollars through ticket sales and BTS-related merchandise sales.<br />Over the first tour and its extension,...BTS performed in thirteen countries, including the U.S., England, Japan, Brazil and Saudi Arabia... dazzling over two million fans along the way.<br />The group's total economic effect for South Korea has been calculated at four-point-six-five billion dollars.<br />"BTS' effect on production inducement is about 26 times the annual average sales of mid-sized Korean companies, and the value-adding effect is about 9 times that."<br />Experts say if you include the increased interest in the Korean language and other cultural influences that cannot easily be given a monetary value,... the effect of BTS is even more pronounced.<br />Kan Hyeong-woo, Arirang News.<br />