How to Cut Down a Redwood

There are pictures of dudes with the world's longest saws standing on top of red. It was just like 30 guys, axing and sawing at the base of a tree that was bigger than a whale. You could have cut down like a hundred normal size trees in the time it must have taken to cut down the one largest tree you could find in the forest. How do you move a downed redwood? Are they only taking the whole tree? No, you likeYou mill it there, right? It falls over in place and then you basically cut chunks off and take those away. I think they use like pack animals to like drag them out or humans to just like carry them