CNN  — 

Exploring the peaks of the world’s highest mountains or the secrets of space’s deepest labyrinths has become almost second nature for Poorna Malavath and Kavya Manyapu.

It has taken Manyapu to NASA where her research has included designing space suits, and Malavath to the top of Mount Everest when in 2014, she became the youngest ever woman to summit the world’s highest mountain at just 13 years old.

Now, these two women have channeled their exploring spirit into climbing some of the world’s most difficult mountains as part of their campaign, Project Shakthi, which raises money to