The United Kingdom is one of the world's most visited countries with magnificent history, tradition, culture and scholarly charm.  As the largest and one of the most international cities in Europe, it has preserved many historic buildings and monuments. Students can visit historic and cultural museums as well as the world's most prestigious and Britain's oldest universities.

Weather
The average summer temperature is 17°C, whereas spring and autumn lie between 8°C and 10°C in spring and autumn, with winter temperatures to be  as low as 2°C to 7°C. Snowing usually happens in  January and February.
http://www.worldweather.org/en/home.html

Clothing
Summer: Sweatshirts, T-shirts, a light jacket
Autumn: Light sweaters, hoodies, rain jacket, a light scarf
Winter: Coat, gloves, scarves, winter boots
Spring: Raincoat, rainboots, light fleece jacket, T-shirts

Capital
London

Language
As the birthplace of English, the official language in the United Kingdom is English.

Power Plug
Type G: The standard voltage is 230V and the standard frequency is 50Hz.
https://www.worldstandards.eu/electricity/plugs-and-sockets

Time Difference
No UTC/GMT offset
In late April to early October: 7 hours behind Hong Kong
In late October to early April: 8 hours behind Hong Kong

Visa Information
Holders of HKSAR passport (with at least 6 months of validity) can enter the United Kingdom without a visa and are allowed to stay up to 180 days.

Currency and Exchange Rate
Britain’s national currency is the pound sterling (symbol: £), which is sub-divided into 100 pence (symbol: p). You get notes in denominations of £5, £10, £20, £50, and coins in 1p, 2p, 5p, 20p, 50p, £1, £2. 100 HKD = Around 9 GBP

Useful Numbers
Police, Fire & Ambulance: 999 / 112

Funny Facts about the United Kingdom
i) There are 30 UNESCO world heritage sites in the U.K.
ii) The sports soccer, rugby, golf and cricket were all invented in the U.K.
iii) Each year it is estimated that over 80,000 umbrellas are lost in London.