To open **Onion Circuits**, click on the Tor status icon ([[!img lib/symbolic/tor-disconnected.png alt="Tor status menu" link="no" class="symbolic"]] or [[!img lib/symbolic/tor-connected.png alt="Tor status menu" link="no" class="symbolic"]]) in the top-right corner and choose **Open Onion View Tor Circuits**.
To open **Onion Circuits**, click on the Tor status icon ([[!img lib/symbolic/tor-disconnected.png alt="Tor status menu" link="no" class="symbolic"]] or [[!img lib/symbolic/tor-connected.png alt="Tor status menu" link="no" class="symbolic"]]) in the top-right corner and choose **View Tor Circuits**.
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<!-- Note for translators: the entry guards in use when you take the screenshot onion-circuits.png is in a position to identify you. You might prefer to leave it untranslated.-->
<!-- Note for translators: the entry guards in use when you take the screenshot onion-circuits.png is in a position to identify you. You might prefer to leave it untranslated. -->
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If you cClick on a circuit, to display the technical details about theeach relays of the circuit appear in the right pane.
Tor uses only 2 different relays as your entry guards, as a way of [protecting against *end-to-end correlation* attacks](https://support.torproject.org/about/entry-guards/).
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.
Tails restarts Tor and all circuits are replaced if you disconnect and reconnect from your local network, for example, by turning the Wi-Fi off and on again.