D
·Travellers visiting the Great Wall can now enjoy
1 modern dining experience. They can receive their lunch delivered(配送) by air.
Since August 16, 2024, drones(无人机)
2 (be) able to deliver goods to visitors at the Badaling section of the Great Wall. The service
3 (provide) by an ordering platform.
The drones can carry up to 2.3 kilograms per trip, according to the platform. The delivery fee is just 4 yuan. The service will take
4 (order) from 10 a.m. to 4 p.m. Outside operating hours, these drones will be used
5 (carry) trash(垃圾) to recycling stations.
6, the drones still need humans' help. Once an order
7 (receive), a worker will pick it up from a nearby store. The delivery is then brought
8 the rooftop of the Badaling Hotel. There it will be put into a box and attached(固定) to the drone. The drone then flies to a certain watchtower(瞭望塔), where another worker waits
9 (get) it. And
10 (final), users pick up their package at the watchtower.
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