These may once have been surrounded by a moat symbolizing the oceans encircling ... when Portuguese missionaries came upon the lotus-shaped towers of Angkor Wat—the most elaborate of the city's ...

Angkor Wat was once a Hindu shrine ... It’s surrounded by a 3.1-mile-long moat and a 15-foot wall. An elaborate system of canals, reservoirs, and embankments was built to manage water.

and oceans (the moat). This vast temple complex within a city is like the Vatican in Rome, yet at 1 sq km it is over twice as large. After all, ‘Angkor Wat’ means ‘city temple’.