They are made up of mainly hydrogen and helium. They are called the gas giants
The reason why it is considered courageous for the musicians to play
"under the open sky" is because they are facing a dangerous situation.
<h3>What is Courage?</h3>
This refers to the quality that means that there is the strength to face fear and do the right thing.
Hence, it is important to note that for someone to display courage, then that means that they are facing threats or fear and need to overcome it.
Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
Read more about courage here:
brainly.com/question/26489684
India - Deccan Plateau
Pakistan - Khyber Pass
Sri Lanka - Mount Pidurutalagala
Nepal - Mount Everest
Base on my own research and further investigation about the said problem or topic, between the 1000 - 1400 CE, the Pueblo people are building houses called Pueblos that is made from bricks that would withstand an attack from enemies. I hope you are satisfied with my answer and feel free to ask for more