Bollywood actor Anupam Kher and Syed Akbaruddin Indian Ambassador to UN pressing the button to lit up UN building with Yoga posture ahead of International Yoga Day in United Nations on Sunday. Pic/PTI 

The UN headquarters here was lit up with the word 'Yoga' in commemoration of the third International Day of Yoga. Renowned actor Anupam Kher switched the illumination lights. "Yoga lights up @UN...Here's a sneak peek of the iconic UN Headquarters building being lit up like never before for International Day of Yoga," India's Permanent Representative to the UN Ambassador Syed Akbaruddin tweeted.