This would be “future” because it says “I will Have” by “end of next year” it’s implying that when next year comes he/ she will have traveled around the world. Next year would be future.
The answer is simple, really. It's because it represents their marriage. And it was carved into an olive tree, if I'm not mistaken. So if you wanted to move something carved into a tree, you would have to move the tree so... hope this helps in any way shape or form. :)
Answer: the direct object is read