Library›Buildings & Design›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Arts & LiteratureOne small ahaBuilding

This ancient Roman temple has a vast unreinforced concrete dome with an open oculus.

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Arts & LiteratureOne small aha
Your new ahaPantheon

Pantheon: Ancient Roman temple with a massive unreinforced concrete dome. Source: Pantheon, Rome ↗

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Buildings & Design

A few more worth knowing.

  1. 04This building houses the UK Parliament and is home to the bell known as Big Ben.RECALL
    Palace of Westminster

    The Palace of Westminster houses the UK Parliament and is home to the bell known as Big Ben.

    Open this card ↗
  2. 05This Paris cathedral suffered a major fire during restoration work in 2019.RECALL
    Notre-Dame de Paris

    Notre-Dame de Paris suffered severe fire damage in 2019 during ongoing restoration work.

    Open this card ↗
  3. 06This building's colorful onion domes rise over Red Square, commissioned by Ivan the Terrible.RECALL
    Saint Basil's Cathedral

    Saint Basil's Cathedral's colorful onion domes rise over Red Square, commissioned by Ivan the Terrible.

    Open this card ↗