More than half of Londoners think the capital should copy cities like New York indesigning its own logo, according to a new YouGov survey.
Londoners were also asked to decide which words most describeLondon, with 'diverse', 'creative' and 'proud' proving the most popular with residents.
Asked which sights most represent the city, traditional icons like Big Ben, Tower Bridge or the London Underground were the most common answers
Meanwhile, no respondents chose the Gherkin or the Olympic Stadium, both newer landmarks.
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The victim ran along the platform with his friend when the attacker pulled out a knife and chased them both.
Spray cans were found near the bodies on tracks near a south London station.
Some 81% of passengers are satisfied with their journey, down three percentage points from spring 2017.