ART

 - Freehand sketch 101 (“What types of pens you use to do sketches?” “Can you recommend any books   on freehand sketches? “I want to improve my drawings, but I don’t know where to start.”… If you have   similar questions, you might be able to find some help from this article.)

 - Freehand sketch 102 Marker sketching (In this article, we’ll cover three topics: the material you need to start marker sketching; the step-by-step sketching procedure demo; a few guide lines. Hope you’ll enjoy it.)

 -Freehand Perspective and Sketching ( a good book about fundamental principles and methods of freehand sketching. A little bit of patient is needed, you also need to put what you've just learned into practising, one chapter after another) thanks the effort of google

CITY

- David Lewis remarks upon receiving The Athena Award of the Congress for the New Urbanism (David Lewis is the founder of urban design graduate programs at Carnegie Mellon University and Urban Design Associates. He also worked with AIA in developing the R/UDAT program engaging citizens, architects and professionals from other disciplines in the ongoing process of city building)

- My City Travel- sample travel plans and travelling tips for backpackers to USA, China and eventually around the world.