The best and fastest way of researching is to search on the Internet for legal information and things you should know well in advance of traveling to that country. View travel advisories from reputable sources such as the US, UK, and Australian Governments, and take note of any potential issues you may encounter.
The thumbs up “OK” sign that is used in much of the West is a nasty hand gesture in other countries such as Greece. Your travel agent should be able to help you with determining the customs you’re used to that might have the opposite effect in a different country.
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Learn how the locals dress. If the locals are dressed in a moderate way, you should dress the same. You don’t want to draw unwanted attention to yourself, especially at sites of religious importance.
Remember the old saying: When in Rome do as the Romans. This will take you a long way in staying safe.
To help with your travel experience, make sure you get plenty of rest before traveling and it will indeed help if you get some ZZZ’s while in route to your destination. Click on the image below for a great deal on this travel companion to help with getting some sleep during your flight.