Two pillars surviving from the Greek Temple of Apollo stand like a gateway, but the Spanish era has given it a charming 17th-century ambience of Baroque houses with iron balconies supported by floral carvings and an occasional stone nymph.
It's comprised of parts of the Greek Temple of Apollo and Spanish Baroque houses.
President Bush wants to expand this program to include two new pollutants - nitrogen oxides and mercury - while also dramatically reducing the SO2 emissions allowed by current law.