The filtration system developed by Reef One , based in Norwich , England , also has a transparent column that extends from the tank 's bottom to the surface .
England /location/location/contains Norwich
DT NN NN VBN IN NN CD , VBN IN NNP , NNP , RB VBZ DT JJ NN WDT VBZ IN DT NN POS NN TO DT NN .
England
LOCATION
Norwich
LOCATION
/location/location/contains