"Wild Sri Lankan elephants retreat from sound of disturbed Asian honey bees." ScienceDaily. ScienceDaily, 22 January 2018. <www.sciencedaily.com / releases / 2018 / 01 / 180122150157.htm>.

The four men were collecting honey for presentation at the Tooth Temple in the town of Kandy during Sri Lanka's annual Esala Perahera - the country's major Buddhist festival.