1. All appeals filed by the plaintiffs and the plaintiff's successor are dismissed.

2. The appeal cost is the plaintiffs and plaintiffs.

1. The reasoning of the court's explanation on this case is as follows: even if the result of on-site verification by the commissioned judge of the court of first instance is deemed to be standard, it is not sufficient to recognize the assertion of the plaintiffs and the plaintiff's successor or to reverse the fact-finding by the court of first instance; therefore, it is identical to the corresponding part of the reasoning of the judgment of the court of first instance, and thus, it is acceptable in accordance

2. The decision of the court of first instance is justifiable, and all appeals filed by the plaintiffs and the plaintiff succeeding intervenors are dismissed as they are without merit.