Surprisingly, Koh Samui opened to inoculated unfamiliar travelers on Thursday notwithstanding a cross country flood in Covid-19 cases moved by the Delta variation. The islands of Koh Samui, Koh Phangan and Koh Tao are inviting guests as a feature of the realm’s push to restore the battered the travel industry. The nation dispatched the “sandbox” plot on July 1, permitting …