This is all part of an effort from Facebook to make the groups more transparent and give a chance to group admins to see how many unwilling members their group(s) have.
Today, real-estate agencies are only one of the parties that take pictures of real-estate for sale or rent, therefore, the race to get clients' attention is even larger. In addition to each description, you must pay detailed attention to the pictures attached, since it is hardly possible to successfully conclude a real-estate business without it.
