Each Tor circuit is made of 3 Tor relays. In the example above, the connection to **tails.net** goes through the 3 relays **drk**, **kicka**, and **Quetzalcoatl**.
The third relay, here **Quetzalcoatl**, is called the *exit node*.
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[[!img doc/anonymous_internet/tor/tor.svpng link="no" alt="Schematics of a connection to Tor with the client, the 3 relays, and the destination server."]]
[[!img doc/anonymous_internet/tor/tor.png link="no" alt="Schematics of a connection to Tor with the client, the 3 relays, and the destination server."]]
For example, when you close a circuit while <i>Tor Browser</i> is downloading a file, the download fails.
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WhenIf you connect to athe same destination server again, for example, when visiting a website, the connection appears in the list belowTor uses a different circuit to replace the circuit it usesthat you closed.