Valmiki Ramayana 6.22.78

विशालः सुकृतः श्रीमान् सुभूमिः सुसमाहितः ।अशोभत महासेतुः सीमन्त इव सागरे॥

viśālaḥ sukṛtaḥ śrīmān subhūmiḥ susamāhitaḥ |aśobhata mahāsetuḥ sīmanta iva sāgare ||

Our plain-language meaning of this verse is waiting for scholar review.