@CNN: The natural phenomenon that makes it appear that lava is flowing over a cliff at Yosemite National Park is back, but only for a few days https://t.co/qDjSmEAtA1 https://t.co/8a0rUB70si

@CNN: The natural phenomenon that makes it appear that lava is flowing over a cliff at Yosemite National Park is back, but only for a few days https://t.co/qDjSmEAtA1 https://t.co/8a0rUB70si