Just how big is the drone aerial photography market?

Drones dive and climb continuously in the air, and the video footage they capture quickly zooms from a close-up to a distant view, delivering tremendous visual impact; looking down at the world from the air, the elevated perspective is highly enlightening and has a unique charm.
"For ordinary consumers, the aerial photography function of drones is not really a rigid demand, but rather an advanced one; yet when various industries use drones to carry payloads and collect data, they become the best tool for improving efficiency and productivity."
The most direct beneficiaries are of course film and television crews. Because they no longer have to pay high prices to rent helicopters, they have saved a great deal on aerial photography budgets.
During the post-earthquake reconstruction after the 2015 Nepal earthquake, drones hovered over the disaster areas and carried out a variety of building survey tasks through aerial photography;
In the Gulf of California in Mexico, drones were cleverly used to collect samples of the water spouts sprayed by whales.
In firefighting and rescue operations, drones fly above the flames, helping firefighters see the location of the fire, the objects involved and the size of the blaze, thereby determining firefighting strategies;
When searching for missing people, drones can obtain aerial imagery of thousands of mu of land in just a few minutes, eliminating the need to send large teams to carry out "carpet" searches...