A multitude of colours light up the Surprise Cave inside Halong Bay, Vietnam. Thanks to @journeywonders for this pic! #gadv Hotels-live.com via https://www.instagram.com/p/BCpYICNCqvu/

A multitude of colours light up the Surprise Cave inside Halong Bay, Vietnam. Thanks to @journeywonders for this pic! #gadv Hotels-live.com via www.instagram.com/p/BCpYICNCqvu/ via http://flic.kr/p/EWfxZm #link https://farm2.staticflickr.com/1653/25555487146_f1e97a4ec5.jpg