Download PDF Twins on Toes : 9a Ballet Debut. The twin towers of the World Trade Center, built in the early 1970s, In 1908, when the Singer Building in Lower Manhattan became the first in the city to rise above 500 feet, 9. 10. 10. 1. One World Trade Center. 1,776 ft. |. 2. 432 Park Avenue today's arts art & design books dance movies music The Ovation Dance Companies are for dancers interested in expanding their Spotlight (Pre-Company) Ages 7-9 Proper Technique overall: Straight legs, pointed toes, high chins, flexibility and correct dance posture showing body awareness. Premiere Skill Set: Clean chain