Why does marquee in HTML language start from bottom to top and from the middle? Why can't I see it from the bottom of the page to the top of the page?

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Lang Island, called Redang Island in Malay, is an island located 45 kilometers in the South China Sea in northern Tenggara, Malaysia. It is also surrounded by several small islands. These islands include Pulolima,

Bersars, Kitcher, Kalenga.

Bersars Island, Bute Island, Lingdao Island and Areca Island in Kelunga, Achor. Therefore, most people call it the heat wave island. Re 'ang Island is an archipelago designated as a marine reserve by the Malaysian government. Fishing within 23 kilometers of the island and collecting corals and shellfish from the seabed are absolutely forbidden. The purpose is to protect the ecology here. But diving and underwater photography are encouraged. & lt/span>。 & lt/p & gt；

& ltp>& ltspan class="txt "> The Rehang Islands are located in the South China Sea in the east of Malaysia Peninsula, and consist of nine islands, large and small. At present, they still maintain considerable natural characteristics, and gradually become popular with their clear seawater and rich underwater landscape and natural ecology. The main island of heatwave is shaped like a heart specially drawn by the creator, like a heart, the heart of the ocean, so it has won a beautiful title "in the heart of the ocean". At present, there are not many tourists in Asia, but Italians in Europe regard this place as a paradise, and they often stay here for a week and still don't want to leave.

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& ltspan class="f 12r "> the appearance of heat wave island.

& ltp>& ltspan class="txt "> In order to protect the island's precious natural heritage, the artificial development area of Rehang Island is very limited. Except for two resorts, there are not many other buildings, and a large area of tropical rain forest has been preserved. Due to the limited capacity of the island at present, there are no swarming tourists in the surrounding waters, and the clean beaches and seawater are still in the best state, quietly waiting for the visit of people who are destined. & ltbr & gt

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