What alternative to aluminium can to be used to build air-planes that would preserve lives during a crash?

I KEEP WONDERING IF ANOTHER ELEMENT THAT IS AS STRONG AS STEEL BUT LIGHT AS ALUMINIUM CANNOT BE FORMULATED OR DOES NOT EXIT FOR AIR-PLANE CONSTRUCTION. AN ELEMENT THAT WILL NOT FRAGMENT TO BITS ON IMPACT WITH EARTH. THIS WILL INCREASE THE CHANCES OF SURVIVAL IN THE EVENT OF A PLANE CRASH.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).