Use this code data-toggle="lightbox" to see image in lightbox popup.
Light Box 2 Single Images
Add this code data-lightbox="trip-by-road" to see trip-by-road gallery in lightbox popup.
Light Box 2 Multiple Images Or Image Set
Add this code data-lightbox="example-set" to see trip-by-road gallery in lightbox popup.
BlueImp Light Box Multiple Images Or Image Set
blueimp Gallery is a touch-enabled, responsive and
customizable image & video gallery, carousel and lightbox, optimized for both
mobile and desktop web browsers.
It features swipe, mouse and keyboard navigation, transition effects, slideshow
functionality, fullscreen support and on-demand content loading and can be
extended to display additional content types.
Full documentation you can find at: