Students of Chitralada School’s vocational stream in Bangkok’s Sanam Suea Pa area shyly giggle as they participate on Wednesday in a demonstration by Public Health Ministry officials.

Dressed in period outfits, Prime Minister General Prayut Chan-o-cha yesterday led his Cabinet members and their spouses to attend the royally initiated winter festival, Oon Ai Rak Klay Kwam Nao, at the Royal Plaza and Sanam Suea Pa.