National Capital Region (Canada) 2013. OC Transpo has about 1,050 buses which run on city streets and an expansive Transitway. The STO has around 300 buses that serve the Quebec side of the Ottawa River, some routes crossing into downtown Ottawa. Ottawa Macdonald-Cartier International Airport is the main international airport serving the Capital Region. It handled over 4.2 million passengers in 2009, making it Canada's 6th busiest air facility and the 2nd busiest airport in Ontario. It offers non-stop flights to and from Canada, the United States, Caribbean and Europe. It is part of the three busiest air routes in the nation, with hourly
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was