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In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

Article: Fifteen hours is a long time to be on a plane ,but you know ,Africa is a long way from North America.Finally ,we're in Namibia, a country in southwest Africa.Namibia is about twice the size of California.However, it is home to just over two million people.And the country's main airport is 45 kilometres east of its capital,Windhoek. Now we are in a wildlife park.We will spend five days finding ways to protect this area's wildlife.At the moment ,my wife and our two kids are enjoying some local dishes.I'm talking with workers in this park.I'm so much looking forward to the following days ! --Thomas Yesterday morning ,I had nothing to do ,so I went to visit the Eiffel Tower,a symbol of Paris.It was my first time there,so I took a lot of photos. Finally.The big moment came! A lot of artists came to watch my show.It was a great success.After the show, I attended a big party.It was great,but i felt so sleepy after it. When I got back to my hotel, it was already 1:15am.I went to bed without washing.I just needed a good rest before my two-hour journey home by plane. --Jessica
Answer: By plane
Output:
How did Thomas arrive in Namibia ?