An artificial boundary is a boundary made by humans, examples include dams, the fence at the border between the U.S and Mexico. A natural boundary is a boundary made by nature, a boundary that happens naturally, examples include rivers, mountains and such.
Legends of Chima. Legends of Chima is a CGI animated television series based on the LEGO Legends of Chima series of LEGO sets. It began with 2 episodes airing on January 16, 2013, with the Season 1 finale on December 5, 2013. On March 15, 2014, season 2 premiered on Cartoon Network and ended on November 22, 2014.
In the anime, Usagi ran into Chibi Chibi in the park when the girl's umbrella blew away in a gust of wind. After she returned the umbrella, Usagi left the park but then encountered Chibi Chibi again on the street, but discovered that the girl would only say the words chibi chibi..