But a pyramid is simply a "structure" with triangular sides. Throughout history, people have built pyramids in many different places.

When the mom returns, the dad is "liberated" from his duties. He heads to the ocean to fish for food.

Most bats are "nocturnal". They sleep during the day, hanging upside down.

Most of the time, they're able to "evade" the falling rain, flying between drops.

When the flowers and trees burst into bloom, they release pollen that causes certain people to have allergic "rhinitis". This causes a lot of nose blowing and difficulty breathing.

But you wouldn't have to stop there, because numbers are "infinite" - they never end.

Every year when spring arrives, many people are "elated". They are happy the weather is warmer.

They are "domesticated" animals. Alpacas aren't wild animals like deer.

Imagine "abstaining" from food for 2 whole months. That's how long male emperor penguins go without eating.

During the 2019 tournament, the "undisputed" star of the U.S. team was Megan Rapinoe. She scored 6 goals.

Because it's a "beloved" shape, the pyramid is found all over.

It doesn't stand straight, as a proper tower should. Instead it "tilts" to one side.

In recent years, engineers have worked to "stabilize" the tower to keep it from leaning any more than it does.