Moment From Dr. Stone S01:E21

First Christmas Tree In 3,700 Years
Senku Lights The First Tree In 3,700 Years!
With Chrome and Kaseki’s water wheel finished, Ishigami Village moves into the age of electricity! But with the primitive materials available to him, will Senku be able to create a filament that can withstand the intense heat of operating a vacuum tube?
Tags: TV Aichi, post-apocalyptic future, teamwork, survival, disaster, based on manga, environmentalism, science, shounen, anime, man vs nature, primitive civilization