Every evening just as the sun has sunk behind the trees, our field comes alive with lightning bugs. They rise slowly in clouds and drift gently into the evening sky until they reach 20-25 feet in the air and then their glow slowly fades away. Seconds later, another wave rises from the grass and ascend into the night. It is an amazing display…we call it our own personal fireworks. Check out these 10 cool facts. Number 10 explains the light show.