Italy: Mount Etna Blows Vortex Rings Into Sky

This video shows Sicily's Mount Etna, the largest volcano in Europe, blowing smoke rings into the sky on Saturday, April 6. The rare phenomenon, called vortex rings, has been seen since Wednesday, April 3, after a new crater opened on Etna's summit.

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Andrea Todorovic of Serbia celebrates in the match against Wong Xin Ru of Singapore during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Wong Xin Ru of Singapore returns the ball to Andrea Todorovic of Serbia during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Andrea Todorovic of Serbia celebrates in the match against Wong Xin Ru of Singapore during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Wong Xin Ru of Singapore celebtates in a match against Andrea Todorovic of Serbia during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Andrea Todorovic of Serbia serves the ball to Wong Xin Ru of Singapore during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(SP)SOUTH KOREA-BUSAN-TABLE TENNIS-WORLD TEAM CHAMPIONSHIPS FINALS-WOMEN-SGP VS SRB

(240220) -- BUSAN, Feb. 20, 2024 (Xinhua) -- Andrea Todorovic of Serbia returns the ball to Wong Xin Ru of Singapore during the women's team Group 7 match at the ITTF World Team Table Tennis Championships Finals Busan 2024 in Busan, South Korea, Feb. 20, 2024. (Xinhua/Zhang Tao)

Japanese pair at world table tennis c'ships

Japanese pair at world table tennis c'ships

ROTTERDAM, Netherlands - Ai Fukuhara (front) paired with Seiya Kishikawa (back) hits the ball during a match against Serbian pair Bojan Crepulja and Andrea Todorovic in the mixed doubles at the table tennis world championships in Rotterdam, the Netherlands, on May 9, 2011. The Japanese pair routed the Serbian pair 11-7, 11-3, 11-9, 11-9 in the first round.

Japanese pair at world table tennis c'ships

Japanese pair at world table tennis c'ships

ROTTERDAM, Netherlands - Ai Fukuhara (front) paired with Seiya Kishikawa (back) hits the ball during a match against Serbian pair Bojan Crepulja and Andrea Todorovic in the mixed doubles at the table tennis world championships in Rotterdam, the Netherlands, on May 9, 2011. The Japanese pair routed the Serbian pair 11-7, 11-3, 11-9, 11-9 in the first round. (Kyodo)