Completar frases URBANISATION: SONGDO MEDELLINVersión en línea Complete the blanks with missing words from the text. por faye ro 1 reclaimed percent cable sensors rates smart information reason Songdo is a South Korean city being built on land . It is also a technologically city , with electric water taxis - tubes that suck rubbish directly to a central processing facility and millions of electronic wireless everywhere that transmit to a control room . Medellin used to have one of the highest crime around the world , but due to initiatives , crime has dropped by eight . One part of the solution is cars . The main is to integrate the poorer areas into the city .
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