Yes, it is possible to take a half-day tour of Pompeii. The tour would likely include transportation to and from your location, as well as a guide to lead the tour and provide information about the sites. Pompeii is an ancient Roman city that was buried by ash and pumice during the eruption of Mount Vesuvius in AD 79, making it a popular tourist destination today. Visitors can explore the well-preserved ruins of the city, including the Forum, the Temple of Apollo, the Stabian Baths, and the Villa of the Mysteries. The city also has a number of houses and buildings with frescoes and mosaics still visible. A half-day tour will allow you to see the main highlights of the site, but it will not cover everything, so you can decide if you want to go back again to see the remaining parts. It is recommended to book the tour in advance, as tours fill up quickly and it is better to be sure of availability.