"Sea Serpent Island" in both the D H (volume 21) & the TOW; however, TOW indicates
"(Original title: Astro Boy Goes Along the Equator)"
The Jetter Mars version used a freezing sphere controlled by a Xylophone.

[img]014_Artificial_Sun/014_Artificial_Sun_021.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_076.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_114.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_128.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_157.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_158.jpg[/img]
[img]014_Artificial_Sun/014_Artificial_Sun_175.jpg[/img]