HONG KONG -- An unmanned, oval-shaped craft from flying taxi maker EHang hovers, whirring noisily like a mini-helicopter over a riverside innovation zone on the outskirts of the southern Chinese business hub of Guangzhou, part of a trial of a mini-flying taxi that once might have been found only in sci-fi films. In nearby Shenzhen, food-delivery drones already are part of daily life and a novelty attraction for tourists, even if such services cost more. In the waterfront park surrounded by high-rises, Polish tourist Karolina Trzciańska and her friends ordered bubble tea and lemon tea by phone, just to give it a try. Their drinks arrived via a drone buzzing through the drizzle about 30 minutes later. “This is the first time I’m seeing something like this, so it was super fun to see the food

See Full Page