This beautiful sunset is one happy colour scheme. Though black is not considered a happy colour however when it's amongst the colours of the rainbow you can't help but smile when you look at this nature's beauty!
World’s Largest Cave- Son Doong Cave, Vietnam. This picture is not edited in any way. It is taken inside the “Son Doong Cave”- Earth’s largest cave known in existence. The cave is more than 200 meters high, 150 meters wide and reaches over 5 kilometers.