What are the ethics of writing about a place you visit as an outsider? With Granta's long tradition of travel writing in mind, we ask some of the foremost writers of the genre: is travel writing dead?Tara Bergin, Rana Dasgupta, Geoff Dyer, Eliza Griswold, Mohsin Hamid, Lindsey Hilsum, Colin Thubron, Pico Iyer, Ian Jack, Robert Macfarlane, Wendell Steavenson, Samanth Subramanian and Alexis WrightPlus:William Atkins investigates murder on the US-Mexico borderXan Rice goes back to school in South AfricaDavid Flusfeder's road trip to Detroit and California in search of his father's pastXiaolu Guo leaves China's 'semi-tropical south' for the 'solemn and tough north'Janine di Giovanni's homesickness Amit Chaudhuri returns to the city of his birthNew fiction from Edna O'Brien; poetry by Emily Berry and Zeyar Lynn; photography by Justin Jin, Carl De Keyzer and Andrew McConnell introduced by A Yi and Adam Marek