San Francisco is the city by the Bay. It is a popular international tourist destination renowned for its chillysummer fog, steep rolling hills, eclectic mix of Victorian and modern architecture and its famous landmarks, including the Golden Gate Bridge, the cable cars, and Chinatown. The city is also known for its diverse, cosmopolitan population, including large and long-established Asian American and Lesbian, Gay, Bisexual and Transgender communities.Union Square is the principal shopping and hotel district. Cable cars carry residents up steep inclines from Market Street to the summit of Nob Hill and down to Fisherman's Wharf. On the way is Russian Hill, a residential neighbourhood with the famously crooked Lombard Street. North Beach is home to the city's Little Italy, and Telegraph Hill features Coit Tower and Chinatown. Haight-Ashbury, famously associated with 1960s hippie culture, is now home to expensive boutiques and a few controversial chain stores, although it still retains some bohemian character.With world-class wineries, cheese makers and small farms just a short drive away, San Francisco is awash in culinary riches. The quality and quantity of the restaurants here make San Francisco an unparalleled food city.March, April and May - Spring, are the most comfortable months to visit. This period is marked by cloudless skies and mild temperatures and is free from showers. Another suitable period are the months of September, October and early November, when the days are warm and sunny and the nights are mild and clear. Rainfall is rare and fog is not as prevalent.