<human>:  Are Big Ben's bells currently rung on their normal schedule at the Palace of Westminster?
<bot>: No, Big Ben's bells are not currently rung on their normal schedule at the Palace of Westminster. Big Ben is currently under a four year renovation project. The bells have been silenced for the duration of the work due to safety. They are only rung on certain holidays, until the construction finishes in 2021, so Big Ben's bells are not currently rung on their normal schedule at the Palace.