USSR, Extreme North, 80s. A polar explorer is feeding a hungry polar bear female with condensed milk. She squeezed the milk out, ate it and then fed the cubs. Could you even believe these photos are real? Only the mutual trust between the human and the nature could make these photos come true.

Artist Brent Estabrook from Seattle, Washington makes such detailed paintings that people often ask him if they aren’t photos. Check ‘em out.

Here is the next generation jet called the G500. It will enter service of the Qatar Airways and Flexjet in 2017. Take a closer look.

All these projects cost billions of dollars but demonstrate how investing big money into something useful can reshape our world and make it a nicer and better place to live in.