Originally used for spotting danger, especially in medieval times around castles.

Historical Use

Now sometimes symbolizes vigilance or the act of protecting something.

Modern Interpretation

Can be a metaphor for a person who keeps watch or oversees an area.

Visual Metaphor

 calculating hundreds of variables each, on minute timescales. It takes weeks to perform our integrations, and we perform dozens of integrations in order to understand what's happening. We also fly all over the world looking for this thing. I recently joined a field campaign in Malaysia -- there are others. We found a global atmospheric watchtower there

Rachel Pike: The science...

 calculating hundreds of variables each on minut timescales and it takes weeks to perform our integrations and we perform dozens of integrations in order to understand what's happening we also fly all over the world looking for this thing recently joined a field campaign in Malaysia there are others we found a global atmospheric watchtower there in

The science behind a...

 focused on elephant rhino lion there was nobody focused on giraffe and we know nothing about them and you know there's these iconic species that are you know the watchtowers of the the savannah in a way and they were just blinking out and

Giraffes on a Boat PIPE...

 they were building a watchtower and that brought to me surveillance surveillance the with the mirror we live in these cities that we are as we other speakers have share we are being always bad but a

Watchtower