内容摘要：Localised air movements and even the amount of dust in the atmosphere can play important roles in shaping whether these storms develop or not.

Localised air movements and even the amount of dust in the atmosphere can play important roles in shaping whether these storms develop or not.

Round-the-world walker prepares for home stretchKarl BushbyKarl Bushby is now waiting for a visa to continue his adventure in Turkey before he enters Europe A man hoping to become the first person to complete an unbroken round-the-world walk is preparing for the last leg of his journey.who is currently in Mexico waiting for a visa to complete his challenge.

1 day agoWorld2 days agoEurostar plans direct trains to Frankfurt and GenevaThe firm hopes a fleet of up to 50 new trains will be up and running by the early 2030s.Mr Bushby said: On 1 November 1998 you're literally looking down at a road that's 36.swam 186 miles (300km) across the Caspian Sea and fought off ice lumps and polar bears through the Bering Strait.

000 miles (3219km) left to walk before he arrives at his home city of Hull.He said reuniting with his family would involve getting to know each other again.

but he was mentally prepared for the tough encounters.

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when it was blighted by the drugs trade and cartel violence.according to local media reports.

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