Прочитайте тексты и установите соответствие между текстами и их заголовками: к каждому тексту, обозначенному буквами а–g, подберите соответствующий заголовок, обозначенный цифрами 1–8. используйте каждую цифру только один раз. в есть один лишний заголовок. 1. saharan climate change 2. where tourists stay 3. saharan watering holes 4. getting around in the sahara 5. when to go there 6. population centres in the sahara 7. very hot and very cold 8. crossing the whole sahara a. the sahara is the one of the world’s hottest and largest deserts. although it stretches the whole width of africa, there are few routes that go all the way from one side to the other. it’s possible to travel along the western edge, from morocco to senegal, or the eastern edge, through egypt and sudan. a third route goes right through the centre, from algeria into niger. b. many people who visit the sahara start in north africa. few people travel deep into the desert, but those who do can stay in desert camps organised by travel groups. during the day you can explore the desert on the back of a camel, or stay in your tent until the temperature drops, which happens when the sun goes down. c. daytime temperatures in the sahara are often well over 40°c, so obviously you must wear clothing to protect yourself from the sun, and you need to keep plenty of water handy. surprisingly, though, you also need blankets and extra clothing to stay warm at night, as the thermometer can drop to nearly freezing. d. there are very few places to satisfy your thirst in the sahara. it is not completely dry, though. there are small lakes that support a little plant life and a few nearby tribes. some are large enough to support thousands of people. these areas are often far from one another; travelling between them can take days on camel. e. there are some towns and cities in the sahara. one is el oued, algeria, whose people use water from an underground river to grow food. timbuktu, mali, was once part of a 14th century empire and is now a unesco world heritage site. beni-izguen, algeria, is a religious centre surrounded by high walls that protect brightly-coloured homes. f. it is possible to drive in the sahara by car. however, none of the roads goes very far. one of the oldest ways is by camel. of course, it is not wise for tourists to use this method to cross the entire sahara, but for daily trips from desert camps, it’s a smart way to explore places with a guide. g. winter is the best season to visit the region, as temperatures are slightly easier to handle. it is even possible to experience a rain shower, or (in extremely rare cases) snow. for this reason, most tourists choose to visit the sahara during this time of the year.