It’s been four years since South Africa’s tourism hub nearly ran out of water due to a drought that left the city on the verge of “Day Zero,” when all of the city’s pipes would burst. Water is flowing freely now, but not for everyone. According to a World Bank report released last week, South Africa is the world’s most unequal country, with race playing a key role. The taps in Mogress’s home in Khayelitsha’s township run only occasionally and rarely with full pressure. So at 56 years old, he wakes up early to fill up a barrel while the water is running, so that his household of six can drink a…