A residents walk past destroyed trees after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents walk next to the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents look at the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 24, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 78 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. / AFP PHOTO / JOHANNES EISELEJOHANNES EISELE/AFP/Getty Images

Residents look through the rubble of destroyed houses after a tornado in Yancheng, in China's Jiangsu province on June 23, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 51 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. CHINA OUT / AFP PHOTO / STRSTR/AFP/Getty Images

A man walks through the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 23, 2016. Extreme weather, including hailstorms, heavy rain and a tornado, killed 51 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. CHINA OUT / AFP PHOTO / STRSTR/AFP/Getty Images

Residents walk in the rubble of destroyed houses after a tornado in Funing, in Yancheng, in China's Jiangsu province on June 23, 2016. xtreme weather, including hailstorms, heavy rain and a tornado, killed 51 and injured dozens in China's eastern Jiangsu province, the official Xinhua news agency reported on June 23. CHINA OUT / AFP PHOTO / STRSTR/AFP/Getty Images