So many of them are sitting on valuable land.

There have been complaints that the panels can use up valuable land that could produce food, and that it only works when the sun shines, so what happens at night-time?

Some local authorities choose to protect their green belts but others accept much higher housing targets and allow developers to build on environmentally valuable land.

The most valuable land near the sea was purchased by the government officials, ministers, prominent landowners and bankers.

In general, investors in the military roads chose routes through the most valuable land, such as potential farmland along rivers.