From Antarctica and the deserts of the US-Mexico border, to a Siberian whale-killing station and the alleyways of Taipei, these dispatches describe a world in perpetual motion (even when it is 'locked-down'). To travel, we are reminded, is to embrace the experience of being a stranger - to acknowledge that one person's frontier is another's home.

Granta 157 is guest-edited by award-winning travel writer William Atkins. It features Eliane Brum, Francisco Cant�, Bathsheba Demuth, Sin�ad Gleeson, Kate Harris, Emmanuel Iduma, Kapka Kassabova, Jessica J. Lee, Sven Lindqvist, Ben Mauk, Pascale Petit, Johny Pitts, Noo Saro-Wiwa, Adam Weymouth and Javier Zamora.