Thousands of Toronto residents are calling on the City to expand the historic Allan Gardens Conservatory.A petition launched by local advocacy group Friends of Allan Gardens proposes nearly doubling the size of the public park and conservatory located at 160 Gerrard St. E near Gerrard and Jarvis streets. The conservatory currently holds around 16,000 square feet of greenhouse space, and, pending city funding and donor approvals, the expansion would double the indoor space to 34,000 square feet.The organization calls the petition a "once-in-a-generation, nation-building project" and says it hopes to work with the Mayor of Toronto, the Premier of Ontario, and the Prime Minister of Canada to bring the expansion to life."By expanding the Allan Gardens Conservatory, we can preserve a treasured piece of Toronto's history while creating a space that reflects the diversity and ambition of all who call this place home," the organization writes. S...