Amid chants of Vedic hymns and blowing of conch shells, Prince Charles and his wife Camilla Parker Bowles today took part in an elaborate "Ganga Arti" (worship of river Ganga) for the peace of those who died in mid-June calamity in Uttarakhand. The Prince of Wales said he would cherish all his life the colourful ceremony and the moments spent on the banks of the river Ganga at Parmartha Niketan Ashram in Rishikesh.