16 columns on the outside
ionic columns
According to ChaCha the most popular type of skittle is the purple.
The type of music that is most popular is the music that is most popular!
The most popular type of quick bread is banana bread.
columns
The golden Labrador retriever is the most popular.
transcend memory card is most popular
Doric style columns.
The most popular type of Christmas tree in the US is the Pine tree.
Fixies are da most popular in usa
Mobile phones are the most popular type of technology