Curves

We have many curves in this photos including:

1) f(x) = ln(x) + c
2) g(x) = -ax + k
3) two more functions - h(x) and p(x) whose derivatives - h' and p' - are always minus.

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A Visit to NTU - an Engineering Village of Concrete

One evening, I have been to the famous Nanyang Technological University (NTU).

In this concrete engineering heaven, we have

narrow corridors as well as

grand lecture theaters (so large that I couldn't even frame them in the photo :P ).

Like every villages around the world, when the sun set (and even the Ugly becomes pretty :P ),

This concrete village has girls looking for water.

Harbor