Arbor

After their long journey, the colonists who landed on Barax 4 were overjoyed to find that the planet was even better in reality than it had appeared in the survey reports.  Their new home was a lush, green paradise.  They quickly went about the business of getting settled in, thankful for their good fortune.  Not once did it enter anyone's mind that when something looks far too good to be true, it usually is. . .