What is the Thai name for the Royal Ploughing Ceremony that marks the start of the rice-growing season?

• A Bun Khun Lan
• B Bun Khao Sak
• C Raek Na Kwan ✓
• D Bun Duean Si

Raek Na Kwan (Royal Ploughing Ceremony) is an ancient Brahman ritual presided over by the monarch at Sanam Luang in Bangkok, marking the traditional start of the rice-planting season.