If we refer to each of the seven wonders by the first letter of its name which of these is correct in terms of the order they are built :
P,H,T,S,M,C,L
Great Pyramid of Giza
Hanging Gardens of Babylon
Temple of Artemis at Ephesus
Statue of Zeus at Olympia
Mausoleum at Halicarnassus
Colossus of Rhodes
Lighthouse of Alexandria.