Happy couples flocked to district offices across the country to register their marriages on Valentine’s Day, with many opting to exchange their vows in hot-air balloons floating above Chiang Rai.Twenty-five “Balloon Love’’ couples tied the knot in the sky above Singha Parking in Muang district of Chiang Rai.Among them were actor Warit Thipkomut and national team footballer Adisorn Promrak and their sweethearts.In Chon Buri, 138 returnees from China’s Wuhan city still in quarantine received red roses from the navy at Sattahip naval base.One of them posted a message on her Facebook thanking the …