The remains of a fish lie amongst cracked mud seen at Theewaterskloof dam near Cape Town, South Africa, January 21, 2018. The dam, which supplies most of Cape Town's potable water, is currently dangerously low as the city faces "Day Zero", the point at which taps will be shut down across the city. REUTERS/Mike Hutchings SEARCH "HUTCHINGS ZERO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.