Postcards from Toronto, Canada.(Update)

I received two postcards on this Monday and one on this Tuesday, they all were sent by the same sender.
The sender is very generous who sent three postcards to me at one time.

From: Juliann, Canada.
Send on Mar.21, 2012.
Receive on Apr.02, 2012.
Traveling days: 12 days.

The Royal Ontario Museum, commonly known as the ROM, is a major museum of world culture and natural history in the city of Toronto. The ROM is the fifth largest museum in North America and contains more than six million items and over 40 galleries. It is also the largest museum in Canada.

The CN Tower is struck by lightning.

Roy Thomson Hall and the commercial core at night.

And the fourth card I received from Juliann this Thursday.
Toronto's luminescent skyline at twilight.