If you'd like to go travelling，the following World Heritage Sites may be your best choices.

Jiuzhaigou Valley Scenic and Historic Interest Area

Jiuzhaigou Valley，which lies in the northern part of Sichuan Province，China，reaches a height of more than 4,500m，with a series of different forests ecosystems. It's especially famous for its narrow landforms and excellent waterfalls. Some 140 kinds of birds also live in the valley, as well as a number of endangered plants and animals, including the giant panda. Jiuzhaigou Valley was recognized as a World Heritage Site by UNESCO in 1992.

Khami Ruins National Monument

The city of Khami, which developed after the capital of Great Zimbabwe had been given up in the mid-16th century，is of great archaeological（考古的）interest. The discovery of objects from Europe and China shows that Khami was a centre for trade over a long period of time. It joined the World Heritage List in 1986.

Henderson Island

Henderson Island，which lies in the eastern South Pacific，is one of the few atolls in the world whose ecology（生态）has been untouched by humans. It is famous for the 10 plants and 4 birds that can only be seen on the island. It was recorded in the World Heritage List in 1988.

Old City of Jerusalem

As a holy city for three different religions（宗教）in the Middle East，Jerusalem has always been of great religious importance. It was given a World Heritage status in 1981 and placed on the“List of World Heritage in Danger”the following year.

   An increasing number of old U.S. citizens are traveling abroad. The U.S. Department of State wants you to be prepared so that you can enjoy your trip. Please consider the following tips as you plan your travel.

Travel Documents.

【小题1】Some countries require that passports be valid for six months after your trip ends and some foreign countries require that U.S. travelers obtain a visa.

【小题2】

A secure way to maintain your emergency contact information is to enroll （登记）with our Smart Traveler Enrolment Program. Your information is stored securely and enables the American Embassy to contact you，your family，or your friends in an emergency according to your wishes.

Health Information.

Health care tops the list of concerns for many old U.S. citizens who are thinking about traveling abroad. Consult with your physician prior to your travel overseas to identify your health care needs at your destination. Research the environmental conditions at your overseas destination that may contribute to your specific health concerns. 【小题3】

Medical Insurance Beyond Medicare.

Medicare，the U.S. government health plan for people aged 65 years and older，does NOT cover health care overseas. 【小题4】 Many companies offer short-term health and emergency assistance policies to cover health care expenses incurred overseas，including emergency services such as medical evacuations（撤离）.

Smart Travel.

【小题5】Be aware that sudden changes in diet and climate can have serious health consequences for the unprepared traveler，no matter your age. At the same time，if you aren't sure about anything，turn to the Internet.

Located in the Pacific，Fiji attractions bring together the traditional world and the modern world in a unique 【小题1】（combine）. Here you will find luxury resorts and hotels，historic sites，surfing and diving；another attraction is the island tour by small plane，bus or boat.

The archipelago（群岛）consists of 332 islands，of 【小题2】 226are uninhabited due to lack of drinking water or too little space. Sunny，unique and undamaged，Fiji attractions 【小题3】（be）one thousand miles of pure white sand，lovely coral gardens and blue lagoons.

According to the legends of the great Fijian chief，Lutunasobasoba 【小题4】（pass）with people across the sea to the new land of Fiji. And most scientists agree 【小题5】 the idea that local people came here from Southeast Asian tourist attractions via Indonesia. Europeans discovered the islands 【小题6】（accident）in the 17th century.

The first visitors from the continent there were shipwrecked（遭遇海难）and 【小题7】（escape）criminals. Sandalwood traders and missionaries began later to visit the islands. Nature in Fiji attracts many 【小题8】（tourist）to the islands. 【小题9】 you are interested in customs，traditions and crafts of local people，do not forget 【小题10】（visit）Fiji attractions and the National Museum of Fiji.