There are various painting skills, but lots of them are so complicate and not easy to follow. Different drawings are required different kinds of painting skills. Here is a good one for your reference.
中文: 暂无 中文 翻译。查看英文版 — showing the original English article below.
Create an Imaginative City using Photoshop
中文
Photoshop Lady 精选内容
专业指南、评测和技巧直接送达您的收件箱。无垃圾邮件，随时退订。