The Story Of A Life Time

My first adventure story! Hopefully you enjoy!
A little bit about the characters: Casey and Kats parents are famous explorers and Jess is there cousin. Also Casey and Kat are twins.

Jess: He is 20 years old. He has green eyes and brown hair. He is average height for his age.

Kat: She is 16 years old. She has blue eyes and blonde hair. She is an inche above average height for her age.

Casey: He is 16 years old. He has green eyes and blonde hair. He is average height for his age.