15 Jan - 京 - (P: ㄐㄧㄥ) - Capital

Word: 京
Pronounced: ㄐㄧㄥ || Jīng

Building Blocks:
亠 - (P: ㄊㄡˊ || Tóu) - Radical for lid
口 - (P: ㄎㄡˇ || Kǒu) - Mouth
小 - (P: ㄒㄧㄠˇ || Xiǎo) - Small)

Constructing the Character 京:
The CAPITAL (京) put a LID (亠) on the SMALL (小) MOUTH (口)

Expansion:
北京 (ㄅㄟˇ ㄐㄧㄥ|| Běijīng) - Beijing
南京 (ㄋㄢˊ ㄐㄧㄥ|| Nánjīng) - Nanjing
東京 (ㄉㄨㄥ ㄐㄧㄥ|| Dōngjīng) - Tokyo

Other words that use 京
鯨 (ㄐㄧㄥ || Jīng) - Whale
景 (ㄐㄧㄥˇ || Jǐng) - View
涼 (ㄌㄧㄤˊ || Liáng) - Cool
就 (ㄐㄧㄡˋJiù) - At Once