Cavenaut 2016 blog 3: All good things, must come to an end….

 

Last light before entering the caves. From left: Ricky Arnold, Ye Guangfu, Sergei Korsakov, Pedro Duque, Jessica Meir and Aki Hoshide. Credits: ESA–V. Crobu

Last light before entering the caves. From left: Ricky Arnold, Ye Guangfu, Sergei Korsakov, Pedro Duque, Jessica Meir and Aki Hoshide. Credits: ESA–V. Crobu

After six days in the Sa Grutta cave, all six crew members and the support team came out from underground.

Japanese commander Aki Hoshide on day 1 underground. Credits: ESA–V. Crobu

Japanese commander Aki Hoshide on day 1 underground. Credits: ESA–V. Crobu

On day 0, we entered the cave in the evening and moved to the “Witch’s Hat”, only a few hundred meters from the entrance. The next day (Day 1) was our first large progression to our main campsite through the Via Ferrata. The progression was technical, using all the tools we learnt to use during our training. We set up our tents, kitchen and toilet. The main campsite was to be our main home for the next few days.

On Day 2, we headed out to the 4th Wind Branch, which extended north from our campsite for approximately 1.1 km till the “Baikal Lake”.  The main objective of the day was to find an advanced campsite past “Baikal Lake”, which needed to have a water source close by, a good place to sleep (flat and soft, i.e. not on rocks!), and communication with the main campsite via radio. Once we found a suitable location, we returned to the main campsite, and returned to the advanced campsite the next day (Day 3). On the way we did more science and a survey of the area which we continued on Day 4 to explore further than our advanced campsite.

Exploring past lakes on day 5. Credits: ESA–V. Crobu

Exploring past lakes on day 5. Credits: ESA–V. Crobu

On Day 5, we started our trip in a different direction. From the main campsite we went south through the Lake’s Branch to Jericho Wall, about 2.4 km through lakes in wetsuits (very different from the first four days!). We found some life forms (!) in Monviso, and did some surveying at Jericho Wall to help make a more accurate map of the area. Day 6 was when we had to pack our gear and return to the ground, where we saw bright sunlight, smelled nature (other than rocks, sands, and ourselves), and were greeted familiar faces waiting for us just outside the cave entrance.

We have fulfilled our objectives to be safe, have fun, work together as a team and cover our science, survey and photogrammetry objectives. It was a privilege to have this unique opportunity that only a handful of people have experienced, and we are grateful for all who supported us throughout the expedition.

The CAVES 2016 expedition with a truly international crew from five different countries is now complete. But the underground adventure will continue…

Aki Hoshide

Back to sunlight. Credits: ESA–S. Sechi

Back to sunlight. Credits: ESA–S. Sechi

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