Anyone trying to predict what will happen regarding travel this fall--based on what is happening today--is like wondering what the weather will be like on October 21 by looking out the window today.
The only true answer to any question regarding the future is......NO ONE KNOWS.
Will we be able to take tours later this year? No one knows.
Will we have to go into quarantine later this year? No one knows.
Will I be able to travel? No one knows.
The only other answer to any of the above is "I choose not to travel until XXX happens." And that is your personal choice. Not a general rule.