Celebrate summer with Cape Town’s best sundowners now available at 2-for-1 from 4-6 PM on Fridays and Saturdays at Tryn, Steenberg’s signature restaurant in the Constantia Wine Valley.  With exciting creations artfully assembled by mixologists at Tryn’s ultra-stylish bar to enjoy in the vibrant retro-lounge or in the dappled shade of the vineyard terrace, there’s a…