Elon Musk has big plans when it comes to flying to Mars. BY: MEGA Elon Musk still has Mars on his mind, as he’s now claiming there will be a self-sustaining city on Mars in 20 years, Knewz.com can reveal. The eccentric billionaire has been bold with his predictions recently, even warning that all life on earth will soon be destroyed, with humans having to pack their bags and live on Mars. Musk and Mars Musk is praying there’s a city on Mars in the near future. BY: MEGA Even though Musk is