Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
underground station
A metro station is a railway station for a rapi transit system, often known by names such as "metro", "underground" and "subway". It is often underground or elevated. At crossings of metro lines they are multi-level.