How was son doong cave in vietnam discoverd 10 points

Also known as “cave of the mountain river”, the cave is said to have been formed due to the passage of water across limestone, which created a channel under the mountains. The entrance to this cave cave was first found in 1991. This was followed by further investigation and exploration by scientists and explorers. However they had to take the help of locals for this discovery and exploration.

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.