Видео с ютуба What Is Leap Year

Leap years and why we need them - BBC News

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Leap Years Don't Happen Every 4 Years

What is a Leap Year? | Best Learning Videos For Kids | Thinking Captain

Что такое високосный год?

The Leap Year as Explained by Neil deGrasse Tyson | StarTalk

Leap Year for Kids

What is a Leap Year?

Why do we have leap years?

Leap Year: Earth's Journey Around the Sun Explained!

WTF are leap years??

Why Do We Have Leap Years?

Нил Деграсс Тайсон объясняет, почему у нас високосные дни

Leap Years: we can do better

What Is a Leap Year? | Fun Educational Song for Kids

Что такое високосный год?

What is a leap year and why do they happen? | Newsround

Leap Year - Full Playthrough - No Commentary

How leap year works

What is a Leap Year? Less then 40 sec