In the few last years, and as a result of the increasing growth of the Internet, more and more virtual places can be visited using applications available on the WEB (World Wide Web). The data provided (accessible) can be only text, or a 2D map with text associated or a 3D model or a mix of these technologies. The means of transport into data can belong to meta-data file management via hyper-text links, selection of fixed view of a model or via a HTML browser (netscape or InternetExplorer) for the WEB with the addition of free-plugins). We aim at visiting 3D model with a VRML plugin, querying an associated database in order to have more information about the environment. The paper introduces a virtual humanoid animation in a web-based application where HANIM humanoids are animated using VRML and JAVA. We propose an integration of a database containing geometrical and semantic data about the 3D model visited with a representation of virtual humanoids populating the place. We present an Informed Environment, which corresponds to a database dedicated to urban life simulation. This integration requires a client-server link to transmit data.