For long-distance self-driving, 3 medium-sized SUVs are the first choice. It can break 100km/h in 7.1 seconds, and the fuel consumption is as low as 5.2. It is easy to drive and comfortable.
Sunflowers are also afraid of being exposed to the sun. The petals will close at noon. Water them again in the evening. If there is less water, it can be done.