. >> the incas interactive display illustrates the cachaka. the exhibit's creators say they weren't oblivious to the empire empire's violent side. >> leave aside the macabre and look at the rest of the culture how the people lived. >> tom ackerman, al jazeera washington. >> now a plane powered only by the sun's raise has sun's rays has landed in hawaii. the solar impulse 2 left abu dhabi on the 9th of march. took it to iran, and then to hawaii. fastest manned solar powered flight then cross china with stops in chongc hing and lan jing. took off again on sunday on the 7200 kilometer journey across the pacific. ann draiz borsberg was behind the wheel for nine days. broken the record for the longest flight e-flying stint. >> pilot could express only elation after his journey across the pacific. now the longest solo flight on record. this wasn't just a feat of time but also one of science. he flew the plane without a drop of fuel. the solar impulse 2 is powered by the sun. it has 17,000 solar sills that can charge batteries to keep it going throug