Martians before earthlings visited the moon, they installed cannons in depressions on the surface of the planet to protect against spacecraft arriving. The guns served properly, and for a long time people could not master the moon - they were afraid that the spacecraft from the moon rarely returned.
Martians before earthlings visited the moon, they installed cannons in depressions on the surface of the planet to protect against spacecraft arriving. The guns served properly, and for a long time people could not master the moon - they were afraid that the spacecraft from the moon rarely returned.