Mexico City boasts a clutch of cool colonias (neighbourhoods) these days, but the foremost flavour of the decade is turning out to be one called Roma, just west of the historic downtown. This is where chill chilangos (as locals call themselves) come to shop for trendy threads; take in exhibitions and performances; sip mezcal in the pubs; sit at cafés and read or people-watch; and meet some of the capital’s most interesting residents, including more than its share of... keep reading