text:  By the Late Classic , a network of <unk> ( <unk> ) linked various parts of the city , running for several kilometres through its urban core . These linked the Great Plaza with Temple 4 ( located about 750 metres ( 2 @,@ 460 ft ) to the west ) and the Temple of the <unk> ( about 1 kilometre ( 0 @.@ 62 mi ) to the southeast ) . These broad <unk> were built of packed and plastered limestone and have been named after early explorers and archaeologists ; the Maler , <unk> , <unk> and <unk> <unk> . They assisted the passage everyday traffic during the rain season and also served as dams . 
  