STOP ADDING YOUR IMAGES MANUALLY IN YOUR PAGE! This is a PHP plugin that scans a folder in your server in which you can put as much images, folders and levels you can imagine and the plugin will make a grid responsive gallery taking the folders as albums.
Demo https://codecanyon.net/item/auto-photo-albums-multi-level-image-grid/5319229
Downloadhttps://www.filecad.com/ighW/Auto-Photo-Albums---Multi-Level-Image-Grid.rar