What sport is played in an area that can vary between 20 x 10 and 30 x 20 metres, with 7 players in play at any one time per side playing for around 8 minutes for each of four periods?
Beach water polo Wingball Water polo goal Water polo clubs Water Polo H2o polo Waterpolo Water polo Water polo player
beach water polo water polo clubs h2o polo waterpolo water polo water polo goal water polo player wingball
water polo
WikipediaEntity
Water polo