G-Dragon, Seungri, TOP and Daesung flew from Incheon Airport, Seoul while Taeyang flew from Tokyo, Japan to Los Angeles, USA. Taeyang originally went to Japan after the last GDYBRI Fan Meeting in Fuzhou March 29, 2015. (see pictures at the bottom)
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Taeyang originally arriving in Tokyo, Japan from Fuzhou, China on March 29th, 2015: