Ballet is totally metal.
Ballerinas literally put their entire body weight on their big toes.

Via: healingfeet.com
She is walking on two toes and making it look graceful. Two. Toes.

Source: pixiedustparcels.tumblr.com
Be in awe of this skill.

Source: i-am-the-black-swan.tumblr.com
Ballerinas are also insanely flexible.

Source: balletofillusion.tumblr.com