Greek actress Katerina Lechou acting the high priestess lights a torch from the sun's rays reflected in a parabolic mirror during the final dress rehearsal for the Olympic flame lighting ceremony for the PyeongChang 2018 Winter Olympic Games in ancient Olympia, Greece, on Oct. 23, 2017. The official lighting ceremony for the PyeongChang Olympic Winter Games will take place on Oct. 24. The PyeongChang Olympic Winter Games will be held from Feb. 9, 2018 to Feb. 25, 2018. (Xinhua/Marios Lolos)
