Boys play with a drainage culvert used for flood control in Las Pinas, Metro Manila February 28, 2016. (Photo by Erik De Castro/Reuters)

A boy plays on the glass at Thailand's first skywalk in Bangkok, Thailand on November 18, 2018. (Photo by Soe Zeya Tun/Reuters)

An Afghan boy walks past a destroyed Russian-made tank, in Kabul, Afghanistan on February 24, 2020. (Photo by Mohammad Ismail/Reuters)

A young boy walks to his school bus on a foggy day in Dubai on March 14, 2024. (Photo by Chris Whiteoak/The National)

Afghan boys stand on a snow-covered street on the TV mountain in Kabul, Afghanistan on January 25, 2023. (Photo by Ali Khara/Reuters)

A boy reaches for a ball on a creek clogged with plastic waste on April 15, 2023 in Caloocan, Metro Manila, Philippines. (Photo by Ezra Acayan/Getty Images)

Invented in 1920′s this could be world’s first navigation system. No satellites or digital screens were used in the making of this portable navigation system. Called Plus Fours Routefinder, this little invention was designed to be worn on your wrist, and the “maps” were printed on little wooden rollers which you would turn manually as you drove along.

A little red flying fox dips a toe in a lake at the mouth of Katherine gorge in the Northern Territory, Nitmiluk national park, Australia on September 20, 2017. (Photo by Glenn Campbell/AAP)