Luliang basin , niutoushan palaeo - island and the origin of colorful sand in luliang 牛头山古岛与彩沙物源
For other people , they need only 6 days . this morning , we stayed beside the hirara harbor ; it located in miyako island of okinawa . the instructors told us that the aim of sole time was let us escaped from the busy city and slow down for reviewing our past and re - planning our future 经过七日航行,我们不太顺利(据说比平常走多了一天)的抵达日本,停泊在冲绳县宫古岛的平良港码头并过了一夜。