Usually, when droughts occur and reservoir water levels recede, it’s not a good thing. But a certain drought in Southern Mexico is attracting a lot of enthusiasm. Water levels in the Nezahualcoyotl reservoir have dropped by 82 ft (25 meters), revealing the remains of a mid-16th century colonial church. Known as the Temple of Santiago, the structure was erected by Dominican friars but then abandoned in the 1770s because of plagues. The 48-ft tall church became a relic of memory in 1966 when…