Answer
Research Topic 1 : The Destination
You need to know about this place that you are going.
You might want to know the conditions of the place... like is it a cold place or a warm place or a hot place? This will lead to what you should bring on your trip.
You also might want to know what to do there. Search up something like "tourist destinations in (place)" to find good places to go. This could link to where you'll be staying. Some destinations have hotels. Some hotels have destinations. You can also search up "hotels in (place)" first.
You also want to find out how you'll get to your place. If it is far away or over the seas, you might want to go on your airline website and search up planes going there, or multiple flights that will end up bringing you there (for example... from USA to Germany and then Germany to China).
Research Topic 2 : The Culture
You want to know about the history of what you'll be seeing, or the culture of where you're going.
Maybe the history behind the monuments, statues, temples, and / or other things you'll see there.
You also might want to know about the people there. Like, if your going to China, you would want to know that the people there are Chinese... and you'll want to know how they live and stuff like that.
You also might want to know the rules what's considered rude there. For example, it's considered rude to cross your chopsticks. In Japan, it's considered rude to cross your legs.
hope this helps / have a nice day
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