0 基軸通貨の交代？米金利上昇が示すもうひとつの未来/The shift of the Reserve currency? Another future brought by US interest rates hike 5月 17, 2018
0 コロラド州2,000㎞走破の弾丸トリップ！③《神秘のCliff Palaceとアメリカの大地の成り立ち》/Bullet trip of 2,000km drive in Colorado!③《Mysterious Cliff Palace and how American landscape was made》 10月 7, 2019
