The document provides details about a two-day site visit by students to Riverstone Eco Resort. It outlines the daily schedules which include briefings, activities like selecting a site, exploring the site, collecting data, and performances. Pictures and descriptions of activities like choosing an upper river site and exploring the new middle river site are included. The document also contains information about a student's research on mangrove trees and dragonflies found at the site, including descriptions of their characteristics and how they survive in the ecosystem.